./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/ldv-memsafety/memleaks_test23_1.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 3d056a1f Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/ldv-memsafety/memleaks_test23_1.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 0f08696eae487cefdee6788cfcf3f0c58f08e903 ................................................................................................................................................ Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/ldv-memsafety/memleaks_test23_1.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 0f08696eae487cefdee6788cfcf3f0c58f08e903 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-3d056a1 [2019-11-22 13:48:47,990 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-22 13:48:47,993 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-22 13:48:48,010 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-22 13:48:48,010 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-22 13:48:48,012 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-22 13:48:48,013 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-22 13:48:48,015 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-22 13:48:48,017 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-22 13:48:48,018 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-22 13:48:48,020 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-22 13:48:48,021 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-22 13:48:48,021 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-22 13:48:48,023 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-22 13:48:48,024 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-22 13:48:48,025 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-22 13:48:48,026 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-22 13:48:48,027 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-22 13:48:48,029 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-22 13:48:48,031 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-22 13:48:48,033 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-22 13:48:48,034 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-22 13:48:48,035 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-22 13:48:48,036 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-22 13:48:48,039 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-22 13:48:48,039 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-22 13:48:48,039 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-22 13:48:48,040 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-22 13:48:48,041 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-22 13:48:48,042 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-22 13:48:48,042 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-22 13:48:48,043 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-22 13:48:48,044 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-22 13:48:48,045 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-22 13:48:48,047 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-22 13:48:48,047 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-22 13:48:48,048 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-22 13:48:48,048 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-22 13:48:48,048 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-22 13:48:48,050 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-22 13:48:48,050 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-22 13:48:48,051 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Default.epf [2019-11-22 13:48:48,066 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-22 13:48:48,066 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-22 13:48:48,068 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-22 13:48:48,068 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-22 13:48:48,068 INFO L138 SettingsManager]: * Use SBE=true [2019-11-22 13:48:48,069 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-22 13:48:48,069 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-22 13:48:48,069 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-22 13:48:48,070 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-22 13:48:48,070 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-22 13:48:48,070 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-22 13:48:48,070 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-22 13:48:48,071 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-22 13:48:48,071 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-22 13:48:48,071 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-22 13:48:48,072 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-22 13:48:48,072 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-22 13:48:48,072 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-22 13:48:48,072 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-22 13:48:48,073 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-22 13:48:48,073 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-22 13:48:48,073 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-22 13:48:48,074 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-22 13:48:48,074 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-22 13:48:48,074 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0f08696eae487cefdee6788cfcf3f0c58f08e903 [2019-11-22 13:48:48,378 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-22 13:48:48,391 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-22 13:48:48,395 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-22 13:48:48,397 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-22 13:48:48,397 INFO L275 PluginConnector]: CDTParser initialized [2019-11-22 13:48:48,398 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-memsafety/memleaks_test23_1.i [2019-11-22 13:48:48,460 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/66204274a/358e6eebef8541cfbdd0906d16dd5db0/FLAG1fcc917d0 [2019-11-22 13:48:49,007 INFO L306 CDTParser]: Found 1 translation units. [2019-11-22 13:48:49,008 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-memsafety/memleaks_test23_1.i [2019-11-22 13:48:49,034 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/66204274a/358e6eebef8541cfbdd0906d16dd5db0/FLAG1fcc917d0 [2019-11-22 13:48:49,301 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/66204274a/358e6eebef8541cfbdd0906d16dd5db0 [2019-11-22 13:48:49,305 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-22 13:48:49,307 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-22 13:48:49,308 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-22 13:48:49,308 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-22 13:48:49,312 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-22 13:48:49,313 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:48:49" (1/1) ... [2019-11-22 13:48:49,317 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@102806cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:48:49, skipping insertion in model container [2019-11-22 13:48:49,318 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:48:49" (1/1) ... [2019-11-22 13:48:49,326 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-22 13:48:49,400 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-22 13:48:50,002 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-22 13:48:50,004 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: java.lang.NumberFormatException: Illegal leading minus sign on unsigned string -1234567. at java.lang.Integer.parseUnsignedInt(Integer.java:672) at java.lang.Integer.parseUnsignedInt(Integer.java:711) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CTranslationUtil.getConstantFirstDimensionOfArray(CTranslationUtil.java:208) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.InitializationHandler.constructIndexToInitInfo(InitializationHandler.java:1265) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.InitializationHandler.constructInitializerInfo(InitializationHandler.java:1220) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.InitializationHandler.initialize(InitializationHandler.java:228) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.InitializationHandler.initialize(InitializationHandler.java:199) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.PostProcessor.createUltimateInitProcedure(PostProcessor.java:790) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.PostProcessor.postProcess(PostProcessor.java:208) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:600) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:134) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:192) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:115) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:93) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:125) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-11-22 13:48:50,011 INFO L168 Benchmark]: Toolchain (without parser) took 703.47 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 94.4 MB). Free memory was 953.7 MB in the beginning and 1.1 GB in the end (delta: -127.2 MB). Peak memory consumption was 26.3 MB. Max. memory is 11.5 GB. [2019-11-22 13:48:50,012 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-22 13:48:50,013 INFO L168 Benchmark]: CACSL2BoogieTranslator took 700.46 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 94.4 MB). Free memory was 953.7 MB in the beginning and 1.1 GB in the end (delta: -127.2 MB). Peak memory consumption was 26.3 MB. Max. memory is 11.5 GB. [2019-11-22 13:48:50,016 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 700.46 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 94.4 MB). Free memory was 953.7 MB in the beginning and 1.1 GB in the end (delta: -127.2 MB). Peak memory consumption was 26.3 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: NumberFormatException: Illegal leading minus sign on unsigned string -1234567. de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: NumberFormatException: Illegal leading minus sign on unsigned string -1234567.: java.lang.Integer.parseUnsignedInt(Integer.java:672) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-3d056a1 [2019-11-22 13:48:51,823 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-22 13:48:51,824 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-22 13:48:51,835 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-22 13:48:51,836 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-22 13:48:51,837 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-22 13:48:51,838 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-22 13:48:51,840 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-22 13:48:51,842 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-22 13:48:51,843 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-22 13:48:51,844 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-22 13:48:51,845 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-22 13:48:51,845 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-22 13:48:51,846 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-22 13:48:51,847 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-22 13:48:51,849 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-22 13:48:51,849 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-22 13:48:51,850 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-22 13:48:51,852 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-22 13:48:51,855 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-22 13:48:51,857 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-22 13:48:51,858 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-22 13:48:51,859 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-22 13:48:51,860 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-22 13:48:51,863 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-22 13:48:51,863 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-22 13:48:51,864 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-22 13:48:51,865 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-22 13:48:51,865 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-22 13:48:51,866 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-22 13:48:51,867 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-22 13:48:51,868 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-22 13:48:51,868 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-22 13:48:51,869 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-22 13:48:51,871 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-22 13:48:51,871 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-22 13:48:51,872 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-22 13:48:51,872 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-22 13:48:51,872 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-22 13:48:51,873 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-22 13:48:51,874 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-22 13:48:51,875 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Bitvector.epf [2019-11-22 13:48:51,893 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-22 13:48:51,893 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-22 13:48:51,894 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-22 13:48:51,894 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-22 13:48:51,895 INFO L138 SettingsManager]: * Use SBE=true [2019-11-22 13:48:51,895 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-22 13:48:51,895 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-22 13:48:51,895 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-22 13:48:51,896 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-22 13:48:51,898 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-22 13:48:51,898 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-22 13:48:51,898 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-22 13:48:51,898 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-22 13:48:51,899 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-22 13:48:51,899 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-22 13:48:51,899 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-22 13:48:51,899 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-22 13:48:51,899 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-22 13:48:51,900 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-22 13:48:51,900 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-22 13:48:51,900 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-22 13:48:51,900 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-22 13:48:51,902 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-22 13:48:51,902 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-22 13:48:51,902 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-22 13:48:51,902 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-22 13:48:51,903 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-22 13:48:51,903 INFO L138 SettingsManager]: * Logic for external solver=AUFBV Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0f08696eae487cefdee6788cfcf3f0c58f08e903 [2019-11-22 13:48:52,191 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-22 13:48:52,204 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-22 13:48:52,208 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-22 13:48:52,209 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-22 13:48:52,210 INFO L275 PluginConnector]: CDTParser initialized [2019-11-22 13:48:52,211 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-memsafety/memleaks_test23_1.i [2019-11-22 13:48:52,286 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/765d33a4f/769117fbc19046e0b138c69bbd550b4f/FLAGe2b95964b [2019-11-22 13:48:52,914 INFO L306 CDTParser]: Found 1 translation units. [2019-11-22 13:48:52,915 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-memsafety/memleaks_test23_1.i [2019-11-22 13:48:52,931 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/765d33a4f/769117fbc19046e0b138c69bbd550b4f/FLAGe2b95964b [2019-11-22 13:48:53,156 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/765d33a4f/769117fbc19046e0b138c69bbd550b4f [2019-11-22 13:48:53,159 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-22 13:48:53,161 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-22 13:48:53,162 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-22 13:48:53,162 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-22 13:48:53,166 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-22 13:48:53,167 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:48:53" (1/1) ... [2019-11-22 13:48:53,170 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@16684da3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:48:53, skipping insertion in model container [2019-11-22 13:48:53,170 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:48:53" (1/1) ... [2019-11-22 13:48:53,178 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-22 13:48:53,240 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-22 13:48:53,867 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-22 13:48:53,901 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2019-11-22 13:48:53,917 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-22 13:48:54,043 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-22 13:48:54,068 INFO L203 MainTranslator]: Completed pre-run [2019-11-22 13:48:54,153 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-22 13:48:54,292 INFO L208 MainTranslator]: Completed translation [2019-11-22 13:48:54,292 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:48:54 WrapperNode [2019-11-22 13:48:54,293 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-22 13:48:54,294 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-22 13:48:54,294 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-22 13:48:54,294 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-22 13:48:54,309 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:48:54" (1/1) ... [2019-11-22 13:48:54,310 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:48:54" (1/1) ... [2019-11-22 13:48:54,339 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:48:54" (1/1) ... [2019-11-22 13:48:54,339 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:48:54" (1/1) ... [2019-11-22 13:48:54,405 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:48:54" (1/1) ... [2019-11-22 13:48:54,413 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:48:54" (1/1) ... [2019-11-22 13:48:54,421 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:48:54" (1/1) ... [2019-11-22 13:48:54,432 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-22 13:48:54,433 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-22 13:48:54,433 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-22 13:48:54,434 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-22 13:48:54,435 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:48:54" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-22 13:48:54,501 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-22 13:48:54,501 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-22 13:48:54,502 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2019-11-22 13:48:54,502 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~C_INT [2019-11-22 13:48:54,502 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.setCurrentRoundingMode [2019-11-22 13:48:54,502 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-11-22 13:48:54,503 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-11-22 13:48:54,503 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint16_identity [2019-11-22 13:48:54,504 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint32_identity [2019-11-22 13:48:54,504 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint64_identity [2019-11-22 13:48:54,504 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_nonpositive [2019-11-22 13:48:54,504 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_positive [2019-11-22 13:48:54,505 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-11-22 13:48:54,505 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-11-22 13:48:54,506 INFO L138 BoogieDeclarations]: Found implementation of procedure LDV_INIT_LIST_HEAD [2019-11-22 13:48:54,506 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2019-11-22 13:48:54,506 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_del [2019-11-22 13:48:54,506 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add [2019-11-22 13:48:54,506 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add_tail [2019-11-22 13:48:54,507 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_del [2019-11-22 13:48:54,507 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_alloc [2019-11-22 13:48:54,507 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_fill [2019-11-22 13:48:54,508 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_free [2019-11-22 13:48:54,508 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_msg [2019-11-22 13:48:54,509 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_msgs [2019-11-22 13:48:54,509 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2019-11-22 13:48:54,509 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2019-11-22 13:48:54,509 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_add_return [2019-11-22 13:48:54,510 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_sub_return [2019-11-22 13:48:54,510 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_sub [2019-11-22 13:48:54,510 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_init [2019-11-22 13:48:54,510 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_get [2019-11-22 13:48:54,510 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_put [2019-11-22 13:48:54,510 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_del [2019-11-22 13:48:54,510 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_cleanup [2019-11-22 13:48:54,510 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_release [2019-11-22 13:48:54,511 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_put [2019-11-22 13:48:54,511 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_get [2019-11-22 13:48:54,511 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init_internal [2019-11-22 13:48:54,511 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init [2019-11-22 13:48:54,511 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_create [2019-11-22 13:48:54,511 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2019-11-22 13:48:54,512 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2019-11-22 13:48:54,512 INFO L138 BoogieDeclarations]: Found implementation of procedure fetch_item [2019-11-22 13:48:54,512 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_register_report [2019-11-22 13:48:54,512 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_parser_main [2019-11-22 13:48:54,512 INFO L138 BoogieDeclarations]: Found implementation of procedure free_reports [2019-11-22 13:48:54,512 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_open_report [2019-11-22 13:48:54,513 INFO L138 BoogieDeclarations]: Found implementation of procedure disconnect_device [2019-11-22 13:48:54,513 INFO L138 BoogieDeclarations]: Found implementation of procedure probe_23 [2019-11-22 13:48:54,513 INFO L138 BoogieDeclarations]: Found implementation of procedure disconnect_23 [2019-11-22 13:48:54,513 INFO L138 BoogieDeclarations]: Found implementation of procedure entry_point [2019-11-22 13:48:54,514 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-22 13:48:54,514 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-11-22 13:48:54,514 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-11-22 13:48:54,514 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-11-22 13:48:54,515 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-11-22 13:48:54,515 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-11-22 13:48:54,515 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-11-22 13:48:54,515 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-11-22 13:48:54,515 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-11-22 13:48:54,516 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-11-22 13:48:54,516 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-11-22 13:48:54,516 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-11-22 13:48:54,516 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-11-22 13:48:54,516 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-11-22 13:48:54,517 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-11-22 13:48:54,517 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-11-22 13:48:54,518 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-11-22 13:48:54,518 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-11-22 13:48:54,519 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-11-22 13:48:54,519 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-11-22 13:48:54,519 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-11-22 13:48:54,520 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-11-22 13:48:54,520 INFO L130 BoogieDeclarations]: Found specification of procedure __uint16_identity [2019-11-22 13:48:54,521 INFO L130 BoogieDeclarations]: Found specification of procedure __uint32_identity [2019-11-22 13:48:54,521 INFO L130 BoogieDeclarations]: Found specification of procedure __uint64_identity [2019-11-22 13:48:54,521 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-11-22 13:48:54,521 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-11-22 13:48:54,521 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-11-22 13:48:54,521 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-11-22 13:48:54,521 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-11-22 13:48:54,522 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-11-22 13:48:54,522 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-11-22 13:48:54,522 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-11-22 13:48:54,523 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-11-22 13:48:54,523 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-11-22 13:48:54,523 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-11-22 13:48:54,523 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-11-22 13:48:54,523 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-11-22 13:48:54,523 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-11-22 13:48:54,523 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-11-22 13:48:54,524 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-11-22 13:48:54,524 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-11-22 13:48:54,524 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-11-22 13:48:54,524 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-11-22 13:48:54,524 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-11-22 13:48:54,524 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-11-22 13:48:54,525 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-11-22 13:48:54,525 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-11-22 13:48:54,525 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-11-22 13:48:54,525 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-11-22 13:48:54,525 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-11-22 13:48:54,525 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-11-22 13:48:54,526 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-11-22 13:48:54,526 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-11-22 13:48:54,526 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-11-22 13:48:54,526 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-11-22 13:48:54,526 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-11-22 13:48:54,526 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-11-22 13:48:54,527 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-11-22 13:48:54,527 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-11-22 13:48:54,527 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-11-22 13:48:54,527 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-11-22 13:48:54,528 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-11-22 13:48:54,528 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-11-22 13:48:54,528 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-11-22 13:48:54,529 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-11-22 13:48:54,529 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-11-22 13:48:54,529 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-11-22 13:48:54,530 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-11-22 13:48:54,530 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-11-22 13:48:54,530 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-11-22 13:48:54,530 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-11-22 13:48:54,530 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-11-22 13:48:54,531 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-11-22 13:48:54,531 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-11-22 13:48:54,531 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-11-22 13:48:54,531 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-11-22 13:48:54,532 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-11-22 13:48:54,535 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-11-22 13:48:54,536 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-11-22 13:48:54,536 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-11-22 13:48:54,536 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-11-22 13:48:54,536 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-11-22 13:48:54,537 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-11-22 13:48:54,537 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-11-22 13:48:54,537 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-11-22 13:48:54,537 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-11-22 13:48:54,538 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-11-22 13:48:54,538 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-11-22 13:48:54,538 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-11-22 13:48:54,545 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-11-22 13:48:54,545 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-11-22 13:48:54,545 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-11-22 13:48:54,546 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-11-22 13:48:54,546 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-11-22 13:48:54,546 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-11-22 13:48:54,546 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-11-22 13:48:54,546 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-11-22 13:48:54,546 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-11-22 13:48:54,546 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-11-22 13:48:54,547 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-11-22 13:48:54,547 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-11-22 13:48:54,547 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-11-22 13:48:54,547 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-11-22 13:48:54,547 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-11-22 13:48:54,547 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-11-22 13:48:54,548 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-11-22 13:48:54,549 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-11-22 13:48:54,549 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-11-22 13:48:54,549 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-11-22 13:48:54,549 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-11-22 13:48:54,549 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-11-22 13:48:54,549 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-22 13:48:54,549 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-11-22 13:48:54,549 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_nonpositive [2019-11-22 13:48:54,550 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_positive [2019-11-22 13:48:54,550 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-11-22 13:48:54,550 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-11-22 13:48:54,550 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-11-22 13:48:54,550 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-22 13:48:54,550 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-11-22 13:48:54,550 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-11-22 13:48:54,550 INFO L130 BoogieDeclarations]: Found specification of procedure LDV_INIT_LIST_HEAD [2019-11-22 13:48:54,551 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-22 13:48:54,551 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2019-11-22 13:48:54,551 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_del [2019-11-22 13:48:54,551 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add [2019-11-22 13:48:54,551 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-22 13:48:54,551 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add_tail [2019-11-22 13:48:54,552 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_del [2019-11-22 13:48:54,552 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_alloc [2019-11-22 13:48:54,552 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_fill [2019-11-22 13:48:54,552 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-11-22 13:48:54,552 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_free [2019-11-22 13:48:54,552 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-22 13:48:54,552 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_msg [2019-11-22 13:48:54,552 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_msgs [2019-11-22 13:48:54,553 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2019-11-22 13:48:54,553 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2019-11-22 13:48:54,553 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_add_return [2019-11-22 13:48:54,553 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-11-22 13:48:54,553 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-11-22 13:48:54,553 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_sub_return [2019-11-22 13:48:54,553 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_sub [2019-11-22 13:48:54,553 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2019-11-22 13:48:54,554 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_init [2019-11-22 13:48:54,554 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_get [2019-11-22 13:48:54,554 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_put [2019-11-22 13:48:54,554 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_del [2019-11-22 13:48:54,554 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_cleanup [2019-11-22 13:48:54,554 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_release [2019-11-22 13:48:54,554 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_put [2019-11-22 13:48:54,554 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_get [2019-11-22 13:48:54,555 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init_internal [2019-11-22 13:48:54,555 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init [2019-11-22 13:48:54,555 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_create [2019-11-22 13:48:54,555 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-11-22 13:48:54,555 INFO L130 BoogieDeclarations]: Found specification of procedure f [2019-11-22 13:48:54,555 INFO L130 BoogieDeclarations]: Found specification of procedure g [2019-11-22 13:48:54,555 INFO L130 BoogieDeclarations]: Found specification of procedure fetch_item [2019-11-22 13:48:54,555 INFO L130 BoogieDeclarations]: Found specification of procedure hid_register_report [2019-11-22 13:48:54,555 INFO L130 BoogieDeclarations]: Found specification of procedure hid_parser_main [2019-11-22 13:48:54,556 INFO L130 BoogieDeclarations]: Found specification of procedure free_reports [2019-11-22 13:48:54,556 INFO L130 BoogieDeclarations]: Found specification of procedure hid_open_report [2019-11-22 13:48:54,556 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-22 13:48:54,556 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~C_INT [2019-11-22 13:48:54,556 INFO L130 BoogieDeclarations]: Found specification of procedure disconnect_device [2019-11-22 13:48:54,556 INFO L130 BoogieDeclarations]: Found specification of procedure probe_23 [2019-11-22 13:48:54,556 INFO L130 BoogieDeclarations]: Found specification of procedure disconnect_23 [2019-11-22 13:48:54,556 INFO L130 BoogieDeclarations]: Found specification of procedure entry_point [2019-11-22 13:48:54,557 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-22 13:48:54,557 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-22 13:48:54,557 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-11-22 13:48:54,557 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-22 13:48:54,557 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.setCurrentRoundingMode [2019-11-22 13:48:54,557 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2019-11-22 13:48:54,557 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2019-11-22 13:48:54,557 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-11-22 13:48:54,558 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-11-22 13:48:55,238 WARN L735 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-22 13:48:55,871 WARN L735 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-22 13:48:56,586 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-22 13:48:56,586 INFO L284 CfgBuilder]: Removed 3 assume(true) statements. [2019-11-22 13:48:56,588 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:48:56 BoogieIcfgContainer [2019-11-22 13:48:56,588 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-22 13:48:56,590 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-22 13:48:56,590 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-22 13:48:56,593 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-22 13:48:56,594 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 01:48:53" (1/3) ... [2019-11-22 13:48:56,595 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f739337 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 01:48:56, skipping insertion in model container [2019-11-22 13:48:56,595 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:48:54" (2/3) ... [2019-11-22 13:48:56,597 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f739337 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 01:48:56, skipping insertion in model container [2019-11-22 13:48:56,597 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:48:56" (3/3) ... [2019-11-22 13:48:56,599 INFO L109 eAbstractionObserver]: Analyzing ICFG memleaks_test23_1.i [2019-11-22 13:48:56,610 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-22 13:48:56,623 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 127 error locations. [2019-11-22 13:48:56,637 INFO L249 AbstractCegarLoop]: Starting to check reachability of 127 error locations. [2019-11-22 13:48:56,670 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-22 13:48:56,671 INFO L374 AbstractCegarLoop]: Hoare is false [2019-11-22 13:48:56,671 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-22 13:48:56,671 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-22 13:48:56,671 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-22 13:48:56,671 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-22 13:48:56,672 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-22 13:48:56,675 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-22 13:48:56,741 INFO L276 IsEmpty]: Start isEmpty. Operand 344 states. [2019-11-22 13:48:56,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-11-22 13:48:56,758 INFO L402 BasicCegarLoop]: Found error trace [2019-11-22 13:48:56,759 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-22 13:48:56,761 INFO L410 AbstractCegarLoop]: === Iteration 1 === [fetch_itemErr4REQUIRES_VIOLATION, fetch_itemErr2REQUIRES_VIOLATION, fetch_itemErr3REQUIRES_VIOLATION, fetch_itemErr6REQUIRES_VIOLATION, fetch_itemErr0REQUIRES_VIOLATION, fetch_itemErr7REQUIRES_VIOLATION, fetch_itemErr5REQUIRES_VIOLATION, fetch_itemErr1REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, free_reportsErr0REQUIRES_VIOLATION, free_reportsErr5ASSERT_VIOLATIONMEMORY_FREE, free_reportsErr1REQUIRES_VIOLATION, free_reportsErr7REQUIRES_VIOLATION, free_reportsErr2REQUIRES_VIOLATION, free_reportsErr4ASSERT_VIOLATIONMEMORY_FREE, free_reportsErr8REQUIRES_VIOLATION, free_reportsErr3REQUIRES_VIOLATION, free_reportsErr6ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, hid_register_reportErr1REQUIRES_VIOLATION, hid_register_reportErr6REQUIRES_VIOLATION, hid_register_reportErr7REQUIRES_VIOLATION, hid_register_reportErr5REQUIRES_VIOLATION, hid_register_reportErr0REQUIRES_VIOLATION, hid_register_reportErr4REQUIRES_VIOLATION, hid_register_reportErr2REQUIRES_VIOLATION, hid_register_reportErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, hid_parser_mainErr0REQUIRES_VIOLATION, hid_parser_mainErr1REQUIRES_VIOLATION, hid_parser_mainErr2REQUIRES_VIOLATION, hid_parser_mainErr3REQUIRES_VIOLATION, disconnect_deviceErr0REQUIRES_VIOLATION, disconnect_deviceErr5ASSERT_VIOLATIONMEMORY_FREE, disconnect_deviceErr6ASSERT_VIOLATIONMEMORY_FREE, disconnect_deviceErr4ASSERT_VIOLATIONMEMORY_FREE, disconnect_deviceErr1REQUIRES_VIOLATION, disconnect_deviceErr3REQUIRES_VIOLATION, disconnect_deviceErr2REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, hid_open_reportErr7ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr5REQUIRES_VIOLATION, hid_open_reportErr8ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr9ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr0REQUIRES_VIOLATION, hid_open_reportErr11REQUIRES_VIOLATION, hid_open_reportErr6ASSERT_VIOLATIONARRAY_INDEX, hid_open_reportErr10REQUIRES_VIOLATION, hid_open_reportErr1REQUIRES_VIOLATION, hid_open_reportErr13ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr3REQUIRES_VIOLATION, hid_open_reportErr2REQUIRES_VIOLATION, hid_open_reportErr4REQUIRES_VIOLATION, hid_open_reportErr12ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr14ASSERT_VIOLATIONMEMORY_FREE, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, probe_23Err3ASSERT_VIOLATIONMEMORY_FREE, probe_23Err2ASSERT_VIOLATIONMEMORY_FREE, probe_23Err0REQUIRES_VIOLATION, probe_23Err4ASSERT_VIOLATIONMEMORY_FREE, probe_23Err1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION]=== [2019-11-22 13:48:56,767 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-22 13:48:56,768 INFO L82 PathProgramCache]: Analyzing trace with hash -771466933, now seen corresponding path program 1 times [2019-11-22 13:48:56,781 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-22 13:48:56,782 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [1348864324] [2019-11-22 13:48:56,783 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 2 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-22 13:48:57,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-22 13:48:57,158 INFO L255 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 7 conjunts are in the unsatisfiable core [2019-11-22 13:48:57,167 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-22 13:48:57,248 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2019-11-22 13:48:57,249 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-22 13:48:57,260 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-22 13:48:57,261 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-22 13:48:57,261 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2019-11-22 13:48:57,325 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-22 13:48:57,325 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-22 13:48:57,421 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-22 13:48:57,423 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1348864324] [2019-11-22 13:48:57,424 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-22 13:48:57,426 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 6 [2019-11-22 13:48:57,427 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1210403904] [2019-11-22 13:48:57,437 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-22 13:48:57,438 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-22 13:48:57,461 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-22 13:48:57,463 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-11-22 13:48:57,467 INFO L87 Difference]: Start difference. First operand 344 states. Second operand 7 states. [2019-11-22 13:48:58,762 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-22 13:48:58,762 INFO L93 Difference]: Finished difference Result 265 states and 281 transitions. [2019-11-22 13:48:58,763 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-11-22 13:48:58,765 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 18 [2019-11-22 13:48:58,765 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-22 13:48:58,802 INFO L225 Difference]: With dead ends: 265 [2019-11-22 13:48:58,803 INFO L226 Difference]: Without dead ends: 262 [2019-11-22 13:48:58,805 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 29 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2019-11-22 13:48:58,834 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 262 states. [2019-11-22 13:48:58,904 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 262 to 254. [2019-11-22 13:48:58,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 254 states. [2019-11-22 13:48:58,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 254 states and 271 transitions. [2019-11-22 13:48:58,922 INFO L78 Accepts]: Start accepts. Automaton has 254 states and 271 transitions. Word has length 18 [2019-11-22 13:48:58,923 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-22 13:48:58,923 INFO L462 AbstractCegarLoop]: Abstraction has 254 states and 271 transitions. [2019-11-22 13:48:58,923 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-22 13:48:58,923 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 271 transitions. [2019-11-22 13:48:58,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-11-22 13:48:58,924 INFO L402 BasicCegarLoop]: Found error trace [2019-11-22 13:48:58,925 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-22 13:48:59,128 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-22 13:48:59,129 INFO L410 AbstractCegarLoop]: === Iteration 2 === [fetch_itemErr4REQUIRES_VIOLATION, fetch_itemErr2REQUIRES_VIOLATION, fetch_itemErr3REQUIRES_VIOLATION, fetch_itemErr6REQUIRES_VIOLATION, fetch_itemErr0REQUIRES_VIOLATION, fetch_itemErr7REQUIRES_VIOLATION, fetch_itemErr5REQUIRES_VIOLATION, fetch_itemErr1REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, free_reportsErr0REQUIRES_VIOLATION, free_reportsErr5ASSERT_VIOLATIONMEMORY_FREE, free_reportsErr1REQUIRES_VIOLATION, free_reportsErr7REQUIRES_VIOLATION, free_reportsErr2REQUIRES_VIOLATION, free_reportsErr4ASSERT_VIOLATIONMEMORY_FREE, free_reportsErr8REQUIRES_VIOLATION, free_reportsErr3REQUIRES_VIOLATION, free_reportsErr6ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, hid_register_reportErr1REQUIRES_VIOLATION, hid_register_reportErr6REQUIRES_VIOLATION, hid_register_reportErr7REQUIRES_VIOLATION, hid_register_reportErr5REQUIRES_VIOLATION, hid_register_reportErr0REQUIRES_VIOLATION, hid_register_reportErr4REQUIRES_VIOLATION, hid_register_reportErr2REQUIRES_VIOLATION, hid_register_reportErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, hid_parser_mainErr0REQUIRES_VIOLATION, hid_parser_mainErr1REQUIRES_VIOLATION, hid_parser_mainErr2REQUIRES_VIOLATION, hid_parser_mainErr3REQUIRES_VIOLATION, disconnect_deviceErr0REQUIRES_VIOLATION, disconnect_deviceErr5ASSERT_VIOLATIONMEMORY_FREE, disconnect_deviceErr6ASSERT_VIOLATIONMEMORY_FREE, disconnect_deviceErr4ASSERT_VIOLATIONMEMORY_FREE, disconnect_deviceErr1REQUIRES_VIOLATION, disconnect_deviceErr3REQUIRES_VIOLATION, disconnect_deviceErr2REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, hid_open_reportErr7ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr5REQUIRES_VIOLATION, hid_open_reportErr8ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr9ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr0REQUIRES_VIOLATION, hid_open_reportErr11REQUIRES_VIOLATION, hid_open_reportErr6ASSERT_VIOLATIONARRAY_INDEX, hid_open_reportErr10REQUIRES_VIOLATION, hid_open_reportErr1REQUIRES_VIOLATION, hid_open_reportErr13ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr3REQUIRES_VIOLATION, hid_open_reportErr2REQUIRES_VIOLATION, hid_open_reportErr4REQUIRES_VIOLATION, hid_open_reportErr12ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr14ASSERT_VIOLATIONMEMORY_FREE, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, probe_23Err3ASSERT_VIOLATIONMEMORY_FREE, probe_23Err2ASSERT_VIOLATIONMEMORY_FREE, probe_23Err0REQUIRES_VIOLATION, probe_23Err4ASSERT_VIOLATIONMEMORY_FREE, probe_23Err1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION]=== [2019-11-22 13:48:59,129 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-22 13:48:59,130 INFO L82 PathProgramCache]: Analyzing trace with hash -771466932, now seen corresponding path program 1 times [2019-11-22 13:48:59,130 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-22 13:48:59,131 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [408415621] [2019-11-22 13:48:59,131 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 3 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-22 13:48:59,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-22 13:48:59,470 INFO L255 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 15 conjunts are in the unsatisfiable core [2019-11-22 13:48:59,472 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-22 13:48:59,493 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2019-11-22 13:48:59,493 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-22 13:48:59,503 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-22 13:48:59,503 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-22 13:48:59,503 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2019-11-22 13:48:59,602 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-22 13:48:59,602 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-22 13:49:00,179 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-22 13:49:00,179 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [408415621] [2019-11-22 13:49:00,179 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-22 13:49:00,180 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [] total 13 [2019-11-22 13:49:00,180 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2033241522] [2019-11-22 13:49:00,181 INFO L442 AbstractCegarLoop]: Interpolant automaton has 14 states [2019-11-22 13:49:00,181 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-22 13:49:00,182 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2019-11-22 13:49:00,182 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2019-11-22 13:49:00,182 INFO L87 Difference]: Start difference. First operand 254 states and 271 transitions. Second operand 14 states. [2019-11-22 13:49:02,620 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-22 13:49:02,620 INFO L93 Difference]: Finished difference Result 260 states and 276 transitions. [2019-11-22 13:49:02,622 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-11-22 13:49:02,623 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 18 [2019-11-22 13:49:02,623 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-22 13:49:02,626 INFO L225 Difference]: With dead ends: 260 [2019-11-22 13:49:02,626 INFO L226 Difference]: Without dead ends: 260 [2019-11-22 13:49:02,627 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 22 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=43, Invalid=197, Unknown=0, NotChecked=0, Total=240 [2019-11-22 13:49:02,628 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 260 states. [2019-11-22 13:49:02,644 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 260 to 254. [2019-11-22 13:49:02,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 254 states. [2019-11-22 13:49:02,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 254 states and 269 transitions. [2019-11-22 13:49:02,647 INFO L78 Accepts]: Start accepts. Automaton has 254 states and 269 transitions. Word has length 18 [2019-11-22 13:49:02,647 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-22 13:49:02,647 INFO L462 AbstractCegarLoop]: Abstraction has 254 states and 269 transitions. [2019-11-22 13:49:02,647 INFO L463 AbstractCegarLoop]: Interpolant automaton has 14 states. [2019-11-22 13:49:02,648 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 269 transitions. [2019-11-22 13:49:02,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-11-22 13:49:02,650 INFO L402 BasicCegarLoop]: Found error trace [2019-11-22 13:49:02,650 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-22 13:49:02,851 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-22 13:49:02,855 INFO L410 AbstractCegarLoop]: === Iteration 3 === [fetch_itemErr4REQUIRES_VIOLATION, fetch_itemErr2REQUIRES_VIOLATION, fetch_itemErr3REQUIRES_VIOLATION, fetch_itemErr6REQUIRES_VIOLATION, fetch_itemErr0REQUIRES_VIOLATION, fetch_itemErr7REQUIRES_VIOLATION, fetch_itemErr5REQUIRES_VIOLATION, fetch_itemErr1REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, free_reportsErr0REQUIRES_VIOLATION, free_reportsErr5ASSERT_VIOLATIONMEMORY_FREE, free_reportsErr1REQUIRES_VIOLATION, free_reportsErr7REQUIRES_VIOLATION, free_reportsErr2REQUIRES_VIOLATION, free_reportsErr4ASSERT_VIOLATIONMEMORY_FREE, free_reportsErr8REQUIRES_VIOLATION, free_reportsErr3REQUIRES_VIOLATION, free_reportsErr6ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, hid_register_reportErr1REQUIRES_VIOLATION, hid_register_reportErr6REQUIRES_VIOLATION, hid_register_reportErr7REQUIRES_VIOLATION, hid_register_reportErr5REQUIRES_VIOLATION, hid_register_reportErr0REQUIRES_VIOLATION, hid_register_reportErr4REQUIRES_VIOLATION, hid_register_reportErr2REQUIRES_VIOLATION, hid_register_reportErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, hid_parser_mainErr0REQUIRES_VIOLATION, hid_parser_mainErr1REQUIRES_VIOLATION, hid_parser_mainErr2REQUIRES_VIOLATION, hid_parser_mainErr3REQUIRES_VIOLATION, disconnect_deviceErr0REQUIRES_VIOLATION, disconnect_deviceErr5ASSERT_VIOLATIONMEMORY_FREE, disconnect_deviceErr6ASSERT_VIOLATIONMEMORY_FREE, disconnect_deviceErr4ASSERT_VIOLATIONMEMORY_FREE, disconnect_deviceErr1REQUIRES_VIOLATION, disconnect_deviceErr3REQUIRES_VIOLATION, disconnect_deviceErr2REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, hid_open_reportErr7ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr5REQUIRES_VIOLATION, hid_open_reportErr8ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr9ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr0REQUIRES_VIOLATION, hid_open_reportErr11REQUIRES_VIOLATION, hid_open_reportErr6ASSERT_VIOLATIONARRAY_INDEX, hid_open_reportErr10REQUIRES_VIOLATION, hid_open_reportErr1REQUIRES_VIOLATION, hid_open_reportErr13ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr3REQUIRES_VIOLATION, hid_open_reportErr2REQUIRES_VIOLATION, hid_open_reportErr4REQUIRES_VIOLATION, hid_open_reportErr12ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr14ASSERT_VIOLATIONMEMORY_FREE, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, probe_23Err3ASSERT_VIOLATIONMEMORY_FREE, probe_23Err2ASSERT_VIOLATIONMEMORY_FREE, probe_23Err0REQUIRES_VIOLATION, probe_23Err4ASSERT_VIOLATIONMEMORY_FREE, probe_23Err1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION]=== [2019-11-22 13:49:02,856 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-22 13:49:02,856 INFO L82 PathProgramCache]: Analyzing trace with hash 971343402, now seen corresponding path program 1 times [2019-11-22 13:49:02,857 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-22 13:49:02,857 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [1342326704] [2019-11-22 13:49:02,857 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 4 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-22 13:49:03,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-22 13:49:03,141 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 7 conjunts are in the unsatisfiable core [2019-11-22 13:49:03,143 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-22 13:49:03,190 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-22 13:49:03,190 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-22 13:49:03,237 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-22 13:49:03,238 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1342326704] [2019-11-22 13:49:03,238 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-22 13:49:03,238 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2019-11-22 13:49:03,238 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [688440036] [2019-11-22 13:49:03,239 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-22 13:49:03,239 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-22 13:49:03,239 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-22 13:49:03,239 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-22 13:49:03,239 INFO L87 Difference]: Start difference. First operand 254 states and 269 transitions. Second operand 5 states. [2019-11-22 13:49:03,281 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-22 13:49:03,282 INFO L93 Difference]: Finished difference Result 247 states and 261 transitions. [2019-11-22 13:49:03,283 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-22 13:49:03,283 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 18 [2019-11-22 13:49:03,283 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-22 13:49:03,286 INFO L225 Difference]: With dead ends: 247 [2019-11-22 13:49:03,286 INFO L226 Difference]: Without dead ends: 247 [2019-11-22 13:49:03,286 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-22 13:49:03,287 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 247 states. [2019-11-22 13:49:03,304 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 247 to 245. [2019-11-22 13:49:03,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 245 states. [2019-11-22 13:49:03,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 245 states and 259 transitions. [2019-11-22 13:49:03,308 INFO L78 Accepts]: Start accepts. Automaton has 245 states and 259 transitions. Word has length 18 [2019-11-22 13:49:03,308 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-22 13:49:03,309 INFO L462 AbstractCegarLoop]: Abstraction has 245 states and 259 transitions. [2019-11-22 13:49:03,309 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-22 13:49:03,309 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 259 transitions. [2019-11-22 13:49:03,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-11-22 13:49:03,310 INFO L402 BasicCegarLoop]: Found error trace [2019-11-22 13:49:03,310 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-22 13:49:03,513 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-22 13:49:03,514 INFO L410 AbstractCegarLoop]: === Iteration 4 === [fetch_itemErr4REQUIRES_VIOLATION, fetch_itemErr2REQUIRES_VIOLATION, fetch_itemErr3REQUIRES_VIOLATION, fetch_itemErr6REQUIRES_VIOLATION, fetch_itemErr0REQUIRES_VIOLATION, fetch_itemErr7REQUIRES_VIOLATION, fetch_itemErr5REQUIRES_VIOLATION, fetch_itemErr1REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, free_reportsErr0REQUIRES_VIOLATION, free_reportsErr5ASSERT_VIOLATIONMEMORY_FREE, free_reportsErr1REQUIRES_VIOLATION, free_reportsErr7REQUIRES_VIOLATION, free_reportsErr2REQUIRES_VIOLATION, free_reportsErr4ASSERT_VIOLATIONMEMORY_FREE, free_reportsErr8REQUIRES_VIOLATION, free_reportsErr3REQUIRES_VIOLATION, free_reportsErr6ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, hid_register_reportErr1REQUIRES_VIOLATION, hid_register_reportErr6REQUIRES_VIOLATION, hid_register_reportErr7REQUIRES_VIOLATION, hid_register_reportErr5REQUIRES_VIOLATION, hid_register_reportErr0REQUIRES_VIOLATION, hid_register_reportErr4REQUIRES_VIOLATION, hid_register_reportErr2REQUIRES_VIOLATION, hid_register_reportErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, hid_parser_mainErr0REQUIRES_VIOLATION, hid_parser_mainErr1REQUIRES_VIOLATION, hid_parser_mainErr2REQUIRES_VIOLATION, hid_parser_mainErr3REQUIRES_VIOLATION, disconnect_deviceErr0REQUIRES_VIOLATION, disconnect_deviceErr5ASSERT_VIOLATIONMEMORY_FREE, disconnect_deviceErr6ASSERT_VIOLATIONMEMORY_FREE, disconnect_deviceErr4ASSERT_VIOLATIONMEMORY_FREE, disconnect_deviceErr1REQUIRES_VIOLATION, disconnect_deviceErr3REQUIRES_VIOLATION, disconnect_deviceErr2REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, hid_open_reportErr7ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr5REQUIRES_VIOLATION, hid_open_reportErr8ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr9ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr0REQUIRES_VIOLATION, hid_open_reportErr11REQUIRES_VIOLATION, hid_open_reportErr6ASSERT_VIOLATIONARRAY_INDEX, hid_open_reportErr10REQUIRES_VIOLATION, hid_open_reportErr1REQUIRES_VIOLATION, hid_open_reportErr13ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr3REQUIRES_VIOLATION, hid_open_reportErr2REQUIRES_VIOLATION, hid_open_reportErr4REQUIRES_VIOLATION, hid_open_reportErr12ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr14ASSERT_VIOLATIONMEMORY_FREE, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, probe_23Err3ASSERT_VIOLATIONMEMORY_FREE, probe_23Err2ASSERT_VIOLATIONMEMORY_FREE, probe_23Err0REQUIRES_VIOLATION, probe_23Err4ASSERT_VIOLATIONMEMORY_FREE, probe_23Err1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION]=== [2019-11-22 13:49:03,515 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-22 13:49:03,515 INFO L82 PathProgramCache]: Analyzing trace with hash 443887173, now seen corresponding path program 1 times [2019-11-22 13:49:03,516 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-22 13:49:03,517 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [506831715] [2019-11-22 13:49:03,517 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 5 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-22 13:49:03,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-22 13:49:03,833 INFO L255 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 16 conjunts are in the unsatisfiable core [2019-11-22 13:49:03,835 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-22 13:49:03,843 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 13:49:03,887 INFO L343 Elim1Store]: treesize reduction 24, result has 38.5 percent of original size [2019-11-22 13:49:03,888 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 12 treesize of output 20 [2019-11-22 13:49:03,888 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-22 13:49:03,912 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-22 13:49:03,913 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-22 13:49:03,916 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-22 13:49:03,917 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:16, output treesize:23 [2019-11-22 13:49:03,919 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-22 13:49:04,006 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2019-11-22 13:49:04,007 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-22 13:49:04,017 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-22 13:49:04,018 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-22 13:49:04,018 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:14, output treesize:7 [2019-11-22 13:49:04,155 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 13:49:04,157 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 14 [2019-11-22 13:49:04,157 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-22 13:49:04,177 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-22 13:49:04,178 INFO L496 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-1 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2019-11-22 13:49:04,178 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 4 variables, input treesize:21, output treesize:20 [2019-11-22 13:49:04,813 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-22 13:49:04,814 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-22 13:49:04,941 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-22 13:49:05,855 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-22 13:49:05,856 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [506831715] [2019-11-22 13:49:05,856 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-22 13:49:05,856 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8, 9] imperfect sequences [] total 16 [2019-11-22 13:49:05,856 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1266644954] [2019-11-22 13:49:05,857 INFO L442 AbstractCegarLoop]: Interpolant automaton has 17 states [2019-11-22 13:49:05,857 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-22 13:49:05,857 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2019-11-22 13:49:05,857 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=220, Unknown=0, NotChecked=0, Total=272 [2019-11-22 13:49:05,858 INFO L87 Difference]: Start difference. First operand 245 states and 259 transitions. Second operand 17 states. [2019-11-22 13:49:09,599 WARN L192 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 26 [2019-11-22 13:49:18,051 WARN L192 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 27 [2019-11-22 13:49:24,151 WARN L192 SmtUtils]: Spent 1.60 s on a formula simplification. DAG size of input: 37 DAG size of output: 28 [2019-11-22 13:51:11,869 WARN L192 SmtUtils]: Spent 410.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 24 [2019-11-22 13:52:09,471 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-22 13:52:09,472 INFO L93 Difference]: Finished difference Result 401 states and 424 transitions. [2019-11-22 13:52:09,472 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2019-11-22 13:52:09,472 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 22 [2019-11-22 13:52:09,473 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-22 13:52:09,475 INFO L225 Difference]: With dead ends: 401 [2019-11-22 13:52:09,476 INFO L226 Difference]: Without dead ends: 398 [2019-11-22 13:52:09,476 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 25 SyntacticMatches, 8 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 117 ImplicationChecksByTransitivity, 14.7s TimeCoverageRelationStatistics Valid=168, Invalid=530, Unknown=4, NotChecked=0, Total=702 [2019-11-22 13:52:09,478 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 398 states. [2019-11-22 13:52:09,489 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 398 to 300. [2019-11-22 13:52:09,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 300 states. [2019-11-22 13:52:09,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 300 states and 341 transitions. [2019-11-22 13:52:09,492 INFO L78 Accepts]: Start accepts. Automaton has 300 states and 341 transitions. Word has length 22 [2019-11-22 13:52:09,492 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-22 13:52:09,492 INFO L462 AbstractCegarLoop]: Abstraction has 300 states and 341 transitions. [2019-11-22 13:52:09,492 INFO L463 AbstractCegarLoop]: Interpolant automaton has 17 states. [2019-11-22 13:52:09,493 INFO L276 IsEmpty]: Start isEmpty. Operand 300 states and 341 transitions. [2019-11-22 13:52:09,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-11-22 13:52:09,494 INFO L402 BasicCegarLoop]: Found error trace [2019-11-22 13:52:09,494 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-22 13:52:09,697 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-22 13:52:09,698 INFO L410 AbstractCegarLoop]: === Iteration 5 === [fetch_itemErr4REQUIRES_VIOLATION, fetch_itemErr2REQUIRES_VIOLATION, fetch_itemErr3REQUIRES_VIOLATION, fetch_itemErr6REQUIRES_VIOLATION, fetch_itemErr0REQUIRES_VIOLATION, fetch_itemErr7REQUIRES_VIOLATION, fetch_itemErr5REQUIRES_VIOLATION, fetch_itemErr1REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, free_reportsErr0REQUIRES_VIOLATION, free_reportsErr5ASSERT_VIOLATIONMEMORY_FREE, free_reportsErr1REQUIRES_VIOLATION, free_reportsErr7REQUIRES_VIOLATION, free_reportsErr2REQUIRES_VIOLATION, free_reportsErr4ASSERT_VIOLATIONMEMORY_FREE, free_reportsErr8REQUIRES_VIOLATION, free_reportsErr3REQUIRES_VIOLATION, free_reportsErr6ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, hid_register_reportErr1REQUIRES_VIOLATION, hid_register_reportErr6REQUIRES_VIOLATION, hid_register_reportErr7REQUIRES_VIOLATION, hid_register_reportErr5REQUIRES_VIOLATION, hid_register_reportErr0REQUIRES_VIOLATION, hid_register_reportErr4REQUIRES_VIOLATION, hid_register_reportErr2REQUIRES_VIOLATION, hid_register_reportErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, hid_parser_mainErr0REQUIRES_VIOLATION, hid_parser_mainErr1REQUIRES_VIOLATION, hid_parser_mainErr2REQUIRES_VIOLATION, hid_parser_mainErr3REQUIRES_VIOLATION, disconnect_deviceErr0REQUIRES_VIOLATION, disconnect_deviceErr5ASSERT_VIOLATIONMEMORY_FREE, disconnect_deviceErr6ASSERT_VIOLATIONMEMORY_FREE, disconnect_deviceErr4ASSERT_VIOLATIONMEMORY_FREE, disconnect_deviceErr1REQUIRES_VIOLATION, disconnect_deviceErr3REQUIRES_VIOLATION, disconnect_deviceErr2REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, hid_open_reportErr7ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr5REQUIRES_VIOLATION, hid_open_reportErr8ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr9ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr0REQUIRES_VIOLATION, hid_open_reportErr11REQUIRES_VIOLATION, hid_open_reportErr6ASSERT_VIOLATIONARRAY_INDEX, hid_open_reportErr10REQUIRES_VIOLATION, hid_open_reportErr1REQUIRES_VIOLATION, hid_open_reportErr13ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr3REQUIRES_VIOLATION, hid_open_reportErr2REQUIRES_VIOLATION, hid_open_reportErr4REQUIRES_VIOLATION, hid_open_reportErr12ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr14ASSERT_VIOLATIONMEMORY_FREE, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, probe_23Err3ASSERT_VIOLATIONMEMORY_FREE, probe_23Err2ASSERT_VIOLATIONMEMORY_FREE, probe_23Err0REQUIRES_VIOLATION, probe_23Err4ASSERT_VIOLATIONMEMORY_FREE, probe_23Err1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION]=== [2019-11-22 13:52:09,699 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-22 13:52:09,699 INFO L82 PathProgramCache]: Analyzing trace with hash 443887174, now seen corresponding path program 1 times [2019-11-22 13:52:09,700 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-22 13:52:09,701 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [1214591489] [2019-11-22 13:52:09,701 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 6 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-22 13:52:10,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-22 13:52:10,048 INFO L255 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 18 conjunts are in the unsatisfiable core [2019-11-22 13:52:10,050 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-22 13:52:10,069 INFO L343 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2019-11-22 13:52:10,070 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 9 treesize of output 11 [2019-11-22 13:52:10,070 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-22 13:52:10,087 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-22 13:52:10,088 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-22 13:52:10,088 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:16, output treesize:17 [2019-11-22 13:52:10,169 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2019-11-22 13:52:10,169 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-22 13:52:10,176 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-22 13:52:10,177 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-22 13:52:10,177 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:14, output treesize:7 [2019-11-22 13:52:10,322 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 13:52:10,323 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2019-11-22 13:52:10,324 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-22 13:52:10,346 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-22 13:52:10,347 INFO L496 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-1 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2019-11-22 13:52:10,347 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 5 variables, input treesize:26, output treesize:18 [2019-11-22 13:52:10,586 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-22 13:52:10,586 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-22 13:52:10,734 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-22 13:52:10,867 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-22 13:52:10,868 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-22 13:52:10,869 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-22 13:52:12,304 WARN L192 SmtUtils]: Spent 294.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 26 [2019-11-22 13:52:12,307 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-22 13:52:17,342 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-22 13:52:17,343 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1214591489] [2019-11-22 13:52:17,343 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-22 13:52:17,343 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8, 7] imperfect sequences [] total 14 [2019-11-22 13:52:17,343 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [989087103] [2019-11-22 13:52:17,344 INFO L442 AbstractCegarLoop]: Interpolant automaton has 15 states [2019-11-22 13:52:17,344 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-22 13:52:17,344 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2019-11-22 13:52:17,344 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=173, Unknown=1, NotChecked=0, Total=210 [2019-11-22 13:52:17,345 INFO L87 Difference]: Start difference. First operand 300 states and 341 transitions. Second operand 15 states. [2019-11-22 13:52:39,079 WARN L192 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 27 [2019-11-22 13:52:50,169 WARN L192 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 31 [2019-11-22 13:56:05,859 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-22 13:56:05,859 INFO L93 Difference]: Finished difference Result 418 states and 462 transitions. [2019-11-22 13:56:05,862 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2019-11-22 13:56:05,862 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 22 [2019-11-22 13:56:05,862 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-22 13:56:05,865 INFO L225 Difference]: With dead ends: 418 [2019-11-22 13:56:05,865 INFO L226 Difference]: Without dead ends: 418 [2019-11-22 13:56:05,865 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 30 SyntacticMatches, 1 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 23.4s TimeCoverageRelationStatistics Valid=116, Invalid=380, Unknown=10, NotChecked=0, Total=506 [2019-11-22 13:56:05,867 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 418 states. [2019-11-22 13:56:05,879 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 418 to 318. [2019-11-22 13:56:05,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 318 states. [2019-11-22 13:56:05,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 318 states and 368 transitions. [2019-11-22 13:56:05,882 INFO L78 Accepts]: Start accepts. Automaton has 318 states and 368 transitions. Word has length 22 [2019-11-22 13:56:05,883 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-22 13:56:05,883 INFO L462 AbstractCegarLoop]: Abstraction has 318 states and 368 transitions. [2019-11-22 13:56:05,883 INFO L463 AbstractCegarLoop]: Interpolant automaton has 15 states. [2019-11-22 13:56:05,883 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 368 transitions. [2019-11-22 13:56:05,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-11-22 13:56:05,884 INFO L402 BasicCegarLoop]: Found error trace [2019-11-22 13:56:05,884 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-22 13:56:06,088 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-22 13:56:06,088 INFO L410 AbstractCegarLoop]: === Iteration 6 === [fetch_itemErr4REQUIRES_VIOLATION, fetch_itemErr2REQUIRES_VIOLATION, fetch_itemErr3REQUIRES_VIOLATION, fetch_itemErr6REQUIRES_VIOLATION, fetch_itemErr0REQUIRES_VIOLATION, fetch_itemErr7REQUIRES_VIOLATION, fetch_itemErr5REQUIRES_VIOLATION, fetch_itemErr1REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, free_reportsErr0REQUIRES_VIOLATION, free_reportsErr5ASSERT_VIOLATIONMEMORY_FREE, free_reportsErr1REQUIRES_VIOLATION, free_reportsErr7REQUIRES_VIOLATION, free_reportsErr2REQUIRES_VIOLATION, free_reportsErr4ASSERT_VIOLATIONMEMORY_FREE, free_reportsErr8REQUIRES_VIOLATION, free_reportsErr3REQUIRES_VIOLATION, free_reportsErr6ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, hid_register_reportErr1REQUIRES_VIOLATION, hid_register_reportErr6REQUIRES_VIOLATION, hid_register_reportErr7REQUIRES_VIOLATION, hid_register_reportErr5REQUIRES_VIOLATION, hid_register_reportErr0REQUIRES_VIOLATION, hid_register_reportErr4REQUIRES_VIOLATION, hid_register_reportErr2REQUIRES_VIOLATION, hid_register_reportErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, hid_parser_mainErr0REQUIRES_VIOLATION, hid_parser_mainErr1REQUIRES_VIOLATION, hid_parser_mainErr2REQUIRES_VIOLATION, hid_parser_mainErr3REQUIRES_VIOLATION, disconnect_deviceErr0REQUIRES_VIOLATION, disconnect_deviceErr5ASSERT_VIOLATIONMEMORY_FREE, disconnect_deviceErr6ASSERT_VIOLATIONMEMORY_FREE, disconnect_deviceErr4ASSERT_VIOLATIONMEMORY_FREE, disconnect_deviceErr1REQUIRES_VIOLATION, disconnect_deviceErr3REQUIRES_VIOLATION, disconnect_deviceErr2REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, hid_open_reportErr7ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr5REQUIRES_VIOLATION, hid_open_reportErr8ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr9ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr0REQUIRES_VIOLATION, hid_open_reportErr11REQUIRES_VIOLATION, hid_open_reportErr6ASSERT_VIOLATIONARRAY_INDEX, hid_open_reportErr10REQUIRES_VIOLATION, hid_open_reportErr1REQUIRES_VIOLATION, hid_open_reportErr13ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr3REQUIRES_VIOLATION, hid_open_reportErr2REQUIRES_VIOLATION, hid_open_reportErr4REQUIRES_VIOLATION, hid_open_reportErr12ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr14ASSERT_VIOLATIONMEMORY_FREE, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, probe_23Err3ASSERT_VIOLATIONMEMORY_FREE, probe_23Err2ASSERT_VIOLATIONMEMORY_FREE, probe_23Err0REQUIRES_VIOLATION, probe_23Err4ASSERT_VIOLATIONMEMORY_FREE, probe_23Err1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION]=== [2019-11-22 13:56:06,089 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-22 13:56:06,089 INFO L82 PathProgramCache]: Analyzing trace with hash 449450334, now seen corresponding path program 1 times [2019-11-22 13:56:06,090 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-22 13:56:06,090 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [1422872126] [2019-11-22 13:56:06,090 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 7 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-22 13:56:06,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-22 13:56:06,364 INFO L255 TraceCheckSpWp]: Trace formula consists of 140 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-22 13:56:06,366 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-22 13:56:06,381 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-22 13:56:06,382 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-22 13:56:06,457 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-22 13:56:06,457 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1422872126] [2019-11-22 13:56:06,457 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-22 13:56:06,457 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2019-11-22 13:56:06,458 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1680009366] [2019-11-22 13:56:06,458 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-22 13:56:06,458 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-22 13:56:06,458 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-22 13:56:06,459 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-22 13:56:06,459 INFO L87 Difference]: Start difference. First operand 318 states and 368 transitions. Second operand 5 states. [2019-11-22 13:56:06,496 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-22 13:56:06,497 INFO L93 Difference]: Finished difference Result 291 states and 324 transitions. [2019-11-22 13:56:06,497 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-22 13:56:06,497 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 24 [2019-11-22 13:56:06,497 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-22 13:56:06,499 INFO L225 Difference]: With dead ends: 291 [2019-11-22 13:56:06,499 INFO L226 Difference]: Without dead ends: 291 [2019-11-22 13:56:06,500 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-22 13:56:06,500 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 291 states. [2019-11-22 13:56:06,508 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 291 to 291. [2019-11-22 13:56:06,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 291 states. [2019-11-22 13:56:06,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 291 states and 324 transitions. [2019-11-22 13:56:06,510 INFO L78 Accepts]: Start accepts. Automaton has 291 states and 324 transitions. Word has length 24 [2019-11-22 13:56:06,510 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-22 13:56:06,510 INFO L462 AbstractCegarLoop]: Abstraction has 291 states and 324 transitions. [2019-11-22 13:56:06,510 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-22 13:56:06,510 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 324 transitions. [2019-11-22 13:56:06,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-11-22 13:56:06,511 INFO L402 BasicCegarLoop]: Found error trace [2019-11-22 13:56:06,511 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-22 13:56:06,714 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-22 13:56:06,715 INFO L410 AbstractCegarLoop]: === Iteration 7 === [fetch_itemErr4REQUIRES_VIOLATION, fetch_itemErr2REQUIRES_VIOLATION, fetch_itemErr3REQUIRES_VIOLATION, fetch_itemErr6REQUIRES_VIOLATION, fetch_itemErr0REQUIRES_VIOLATION, fetch_itemErr7REQUIRES_VIOLATION, fetch_itemErr5REQUIRES_VIOLATION, fetch_itemErr1REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, free_reportsErr0REQUIRES_VIOLATION, free_reportsErr5ASSERT_VIOLATIONMEMORY_FREE, free_reportsErr1REQUIRES_VIOLATION, free_reportsErr7REQUIRES_VIOLATION, free_reportsErr2REQUIRES_VIOLATION, free_reportsErr4ASSERT_VIOLATIONMEMORY_FREE, free_reportsErr8REQUIRES_VIOLATION, free_reportsErr3REQUIRES_VIOLATION, free_reportsErr6ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, hid_register_reportErr1REQUIRES_VIOLATION, hid_register_reportErr6REQUIRES_VIOLATION, hid_register_reportErr7REQUIRES_VIOLATION, hid_register_reportErr5REQUIRES_VIOLATION, hid_register_reportErr0REQUIRES_VIOLATION, hid_register_reportErr4REQUIRES_VIOLATION, hid_register_reportErr2REQUIRES_VIOLATION, hid_register_reportErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, hid_parser_mainErr0REQUIRES_VIOLATION, hid_parser_mainErr1REQUIRES_VIOLATION, hid_parser_mainErr2REQUIRES_VIOLATION, hid_parser_mainErr3REQUIRES_VIOLATION, disconnect_deviceErr0REQUIRES_VIOLATION, disconnect_deviceErr5ASSERT_VIOLATIONMEMORY_FREE, disconnect_deviceErr6ASSERT_VIOLATIONMEMORY_FREE, disconnect_deviceErr4ASSERT_VIOLATIONMEMORY_FREE, disconnect_deviceErr1REQUIRES_VIOLATION, disconnect_deviceErr3REQUIRES_VIOLATION, disconnect_deviceErr2REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, hid_open_reportErr7ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr5REQUIRES_VIOLATION, hid_open_reportErr8ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr9ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr0REQUIRES_VIOLATION, hid_open_reportErr11REQUIRES_VIOLATION, hid_open_reportErr6ASSERT_VIOLATIONARRAY_INDEX, hid_open_reportErr10REQUIRES_VIOLATION, hid_open_reportErr1REQUIRES_VIOLATION, hid_open_reportErr13ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr3REQUIRES_VIOLATION, hid_open_reportErr2REQUIRES_VIOLATION, hid_open_reportErr4REQUIRES_VIOLATION, hid_open_reportErr12ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr14ASSERT_VIOLATIONMEMORY_FREE, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, probe_23Err3ASSERT_VIOLATIONMEMORY_FREE, probe_23Err2ASSERT_VIOLATIONMEMORY_FREE, probe_23Err0REQUIRES_VIOLATION, probe_23Err4ASSERT_VIOLATIONMEMORY_FREE, probe_23Err1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION]=== [2019-11-22 13:56:06,715 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-22 13:56:06,716 INFO L82 PathProgramCache]: Analyzing trace with hash -56108291, now seen corresponding path program 1 times [2019-11-22 13:56:06,716 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-22 13:56:06,718 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [1779177054] [2019-11-22 13:56:06,718 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 8 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-22 13:56:06,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-22 13:56:06,988 INFO L255 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-22 13:56:06,990 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-22 13:56:07,013 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-22 13:56:07,013 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-22 13:56:07,113 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-22 13:56:07,113 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1779177054] [2019-11-22 13:56:07,113 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-22 13:56:07,113 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 10 [2019-11-22 13:56:07,113 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [409208275] [2019-11-22 13:56:07,114 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-11-22 13:56:07,114 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-22 13:56:07,114 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-11-22 13:56:07,114 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2019-11-22 13:56:07,115 INFO L87 Difference]: Start difference. First operand 291 states and 324 transitions. Second operand 10 states. [2019-11-22 13:56:07,187 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-22 13:56:07,188 INFO L93 Difference]: Finished difference Result 283 states and 305 transitions. [2019-11-22 13:56:07,189 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-11-22 13:56:07,189 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 24 [2019-11-22 13:56:07,189 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-22 13:56:07,191 INFO L225 Difference]: With dead ends: 283 [2019-11-22 13:56:07,191 INFO L226 Difference]: Without dead ends: 275 [2019-11-22 13:56:07,192 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2019-11-22 13:56:07,193 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 275 states. [2019-11-22 13:56:07,199 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 275 to 273. [2019-11-22 13:56:07,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 273 states. [2019-11-22 13:56:07,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 273 states and 295 transitions. [2019-11-22 13:56:07,201 INFO L78 Accepts]: Start accepts. Automaton has 273 states and 295 transitions. Word has length 24 [2019-11-22 13:56:07,201 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-22 13:56:07,201 INFO L462 AbstractCegarLoop]: Abstraction has 273 states and 295 transitions. [2019-11-22 13:56:07,201 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-11-22 13:56:07,202 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 295 transitions. [2019-11-22 13:56:07,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2019-11-22 13:56:07,203 INFO L402 BasicCegarLoop]: Found error trace [2019-11-22 13:56:07,203 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-22 13:56:07,413 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-22 13:56:07,414 INFO L410 AbstractCegarLoop]: === Iteration 8 === [fetch_itemErr4REQUIRES_VIOLATION, fetch_itemErr2REQUIRES_VIOLATION, fetch_itemErr3REQUIRES_VIOLATION, fetch_itemErr6REQUIRES_VIOLATION, fetch_itemErr0REQUIRES_VIOLATION, fetch_itemErr7REQUIRES_VIOLATION, fetch_itemErr5REQUIRES_VIOLATION, fetch_itemErr1REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, free_reportsErr0REQUIRES_VIOLATION, free_reportsErr5ASSERT_VIOLATIONMEMORY_FREE, free_reportsErr1REQUIRES_VIOLATION, free_reportsErr7REQUIRES_VIOLATION, free_reportsErr2REQUIRES_VIOLATION, free_reportsErr4ASSERT_VIOLATIONMEMORY_FREE, free_reportsErr8REQUIRES_VIOLATION, free_reportsErr3REQUIRES_VIOLATION, free_reportsErr6ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, hid_register_reportErr1REQUIRES_VIOLATION, hid_register_reportErr6REQUIRES_VIOLATION, hid_register_reportErr7REQUIRES_VIOLATION, hid_register_reportErr5REQUIRES_VIOLATION, hid_register_reportErr0REQUIRES_VIOLATION, hid_register_reportErr4REQUIRES_VIOLATION, hid_register_reportErr2REQUIRES_VIOLATION, hid_register_reportErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, hid_parser_mainErr0REQUIRES_VIOLATION, hid_parser_mainErr1REQUIRES_VIOLATION, hid_parser_mainErr2REQUIRES_VIOLATION, hid_parser_mainErr3REQUIRES_VIOLATION, disconnect_deviceErr0REQUIRES_VIOLATION, disconnect_deviceErr5ASSERT_VIOLATIONMEMORY_FREE, disconnect_deviceErr6ASSERT_VIOLATIONMEMORY_FREE, disconnect_deviceErr4ASSERT_VIOLATIONMEMORY_FREE, disconnect_deviceErr1REQUIRES_VIOLATION, disconnect_deviceErr3REQUIRES_VIOLATION, disconnect_deviceErr2REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, hid_open_reportErr7ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr5REQUIRES_VIOLATION, hid_open_reportErr8ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr9ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr0REQUIRES_VIOLATION, hid_open_reportErr11REQUIRES_VIOLATION, hid_open_reportErr6ASSERT_VIOLATIONARRAY_INDEX, hid_open_reportErr10REQUIRES_VIOLATION, hid_open_reportErr1REQUIRES_VIOLATION, hid_open_reportErr13ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr3REQUIRES_VIOLATION, hid_open_reportErr2REQUIRES_VIOLATION, hid_open_reportErr4REQUIRES_VIOLATION, hid_open_reportErr12ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr14ASSERT_VIOLATIONMEMORY_FREE, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, probe_23Err3ASSERT_VIOLATIONMEMORY_FREE, probe_23Err2ASSERT_VIOLATIONMEMORY_FREE, probe_23Err0REQUIRES_VIOLATION, probe_23Err4ASSERT_VIOLATIONMEMORY_FREE, probe_23Err1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION]=== [2019-11-22 13:56:07,415 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-22 13:56:07,415 INFO L82 PathProgramCache]: Analyzing trace with hash 690967071, now seen corresponding path program 1 times [2019-11-22 13:56:07,417 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-22 13:56:07,417 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [1836804559] [2019-11-22 13:56:07,417 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 9 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-22 13:56:07,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-22 13:56:07,762 INFO L255 TraceCheckSpWp]: Trace formula consists of 195 conjuncts, 6 conjunts are in the unsatisfiable core [2019-11-22 13:56:07,764 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-22 13:56:07,789 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2019-11-22 13:56:07,789 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-22 13:56:07,792 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-22 13:56:07,792 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-22 13:56:07,792 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2019-11-22 13:56:07,843 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-22 13:56:07,843 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-22 13:56:07,923 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-22 13:56:07,923 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1836804559] [2019-11-22 13:56:07,923 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-22 13:56:07,923 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 5] imperfect sequences [] total 6 [2019-11-22 13:56:07,923 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1154471947] [2019-11-22 13:56:07,924 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-22 13:56:07,924 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-22 13:56:07,924 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-22 13:56:07,924 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2019-11-22 13:56:07,924 INFO L87 Difference]: Start difference. First operand 273 states and 295 transitions. Second operand 7 states. [2019-11-22 13:56:08,978 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-22 13:56:08,978 INFO L93 Difference]: Finished difference Result 284 states and 310 transitions. [2019-11-22 13:56:08,980 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-22 13:56:08,980 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 36 [2019-11-22 13:56:08,981 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-22 13:56:08,983 INFO L225 Difference]: With dead ends: 284 [2019-11-22 13:56:08,983 INFO L226 Difference]: Without dead ends: 284 [2019-11-22 13:56:08,983 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 62 SyntacticMatches, 4 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2019-11-22 13:56:08,984 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 284 states. [2019-11-22 13:56:08,991 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 284 to 276. [2019-11-22 13:56:08,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 276 states. [2019-11-22 13:56:08,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 276 states and 302 transitions. [2019-11-22 13:56:08,993 INFO L78 Accepts]: Start accepts. Automaton has 276 states and 302 transitions. Word has length 36 [2019-11-22 13:56:08,993 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-22 13:56:08,993 INFO L462 AbstractCegarLoop]: Abstraction has 276 states and 302 transitions. [2019-11-22 13:56:08,993 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-22 13:56:08,993 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states and 302 transitions. [2019-11-22 13:56:08,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2019-11-22 13:56:08,994 INFO L402 BasicCegarLoop]: Found error trace [2019-11-22 13:56:08,994 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-22 13:56:09,197 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-22 13:56:09,198 INFO L410 AbstractCegarLoop]: === Iteration 9 === [fetch_itemErr4REQUIRES_VIOLATION, fetch_itemErr2REQUIRES_VIOLATION, fetch_itemErr3REQUIRES_VIOLATION, fetch_itemErr6REQUIRES_VIOLATION, fetch_itemErr0REQUIRES_VIOLATION, fetch_itemErr7REQUIRES_VIOLATION, fetch_itemErr5REQUIRES_VIOLATION, fetch_itemErr1REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, free_reportsErr0REQUIRES_VIOLATION, free_reportsErr5ASSERT_VIOLATIONMEMORY_FREE, free_reportsErr1REQUIRES_VIOLATION, free_reportsErr7REQUIRES_VIOLATION, free_reportsErr2REQUIRES_VIOLATION, free_reportsErr4ASSERT_VIOLATIONMEMORY_FREE, free_reportsErr8REQUIRES_VIOLATION, free_reportsErr3REQUIRES_VIOLATION, free_reportsErr6ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, hid_register_reportErr1REQUIRES_VIOLATION, hid_register_reportErr6REQUIRES_VIOLATION, hid_register_reportErr7REQUIRES_VIOLATION, hid_register_reportErr5REQUIRES_VIOLATION, hid_register_reportErr0REQUIRES_VIOLATION, hid_register_reportErr4REQUIRES_VIOLATION, hid_register_reportErr2REQUIRES_VIOLATION, hid_register_reportErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, hid_parser_mainErr0REQUIRES_VIOLATION, hid_parser_mainErr1REQUIRES_VIOLATION, hid_parser_mainErr2REQUIRES_VIOLATION, hid_parser_mainErr3REQUIRES_VIOLATION, disconnect_deviceErr0REQUIRES_VIOLATION, disconnect_deviceErr5ASSERT_VIOLATIONMEMORY_FREE, disconnect_deviceErr6ASSERT_VIOLATIONMEMORY_FREE, disconnect_deviceErr4ASSERT_VIOLATIONMEMORY_FREE, disconnect_deviceErr1REQUIRES_VIOLATION, disconnect_deviceErr3REQUIRES_VIOLATION, disconnect_deviceErr2REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, hid_open_reportErr7ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr5REQUIRES_VIOLATION, hid_open_reportErr8ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr9ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr0REQUIRES_VIOLATION, hid_open_reportErr11REQUIRES_VIOLATION, hid_open_reportErr6ASSERT_VIOLATIONARRAY_INDEX, hid_open_reportErr10REQUIRES_VIOLATION, hid_open_reportErr1REQUIRES_VIOLATION, hid_open_reportErr13ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr3REQUIRES_VIOLATION, hid_open_reportErr2REQUIRES_VIOLATION, hid_open_reportErr4REQUIRES_VIOLATION, hid_open_reportErr12ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr14ASSERT_VIOLATIONMEMORY_FREE, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, probe_23Err3ASSERT_VIOLATIONMEMORY_FREE, probe_23Err2ASSERT_VIOLATIONMEMORY_FREE, probe_23Err0REQUIRES_VIOLATION, probe_23Err4ASSERT_VIOLATIONMEMORY_FREE, probe_23Err1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION]=== [2019-11-22 13:56:09,199 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-22 13:56:09,199 INFO L82 PathProgramCache]: Analyzing trace with hash 690967072, now seen corresponding path program 1 times [2019-11-22 13:56:09,200 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-22 13:56:09,200 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [277560334] [2019-11-22 13:56:09,201 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 10 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-22 13:56:09,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-22 13:56:09,560 INFO L255 TraceCheckSpWp]: Trace formula consists of 195 conjuncts, 11 conjunts are in the unsatisfiable core [2019-11-22 13:56:09,563 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-22 13:56:09,570 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2019-11-22 13:56:09,571 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-22 13:56:09,576 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-22 13:56:09,576 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-22 13:56:09,576 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2019-11-22 13:56:09,629 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-22 13:56:09,629 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-22 13:56:09,963 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-22 13:56:09,963 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [277560334] [2019-11-22 13:56:09,963 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-22 13:56:09,963 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 9 [2019-11-22 13:56:09,963 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1027533368] [2019-11-22 13:56:09,964 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-11-22 13:56:09,964 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-22 13:56:09,964 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-11-22 13:56:09,964 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2019-11-22 13:56:09,964 INFO L87 Difference]: Start difference. First operand 276 states and 302 transitions. Second operand 10 states. [2019-11-22 13:56:12,301 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-22 13:56:12,301 INFO L93 Difference]: Finished difference Result 283 states and 309 transitions. [2019-11-22 13:56:12,302 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-22 13:56:12,302 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 36 [2019-11-22 13:56:12,302 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-22 13:56:12,304 INFO L225 Difference]: With dead ends: 283 [2019-11-22 13:56:12,304 INFO L226 Difference]: Without dead ends: 283 [2019-11-22 13:56:12,305 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 62 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2019-11-22 13:56:12,305 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 283 states. [2019-11-22 13:56:12,312 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 283 to 274. [2019-11-22 13:56:12,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 274 states. [2019-11-22 13:56:12,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 274 states and 299 transitions. [2019-11-22 13:56:12,314 INFO L78 Accepts]: Start accepts. Automaton has 274 states and 299 transitions. Word has length 36 [2019-11-22 13:56:12,314 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-22 13:56:12,314 INFO L462 AbstractCegarLoop]: Abstraction has 274 states and 299 transitions. [2019-11-22 13:56:12,314 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-11-22 13:56:12,315 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 299 transitions. [2019-11-22 13:56:12,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2019-11-22 13:56:12,315 INFO L402 BasicCegarLoop]: Found error trace [2019-11-22 13:56:12,316 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-22 13:56:12,519 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-22 13:56:12,520 INFO L410 AbstractCegarLoop]: === Iteration 10 === [fetch_itemErr4REQUIRES_VIOLATION, fetch_itemErr2REQUIRES_VIOLATION, fetch_itemErr3REQUIRES_VIOLATION, fetch_itemErr6REQUIRES_VIOLATION, fetch_itemErr0REQUIRES_VIOLATION, fetch_itemErr7REQUIRES_VIOLATION, fetch_itemErr5REQUIRES_VIOLATION, fetch_itemErr1REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, free_reportsErr0REQUIRES_VIOLATION, free_reportsErr5ASSERT_VIOLATIONMEMORY_FREE, free_reportsErr1REQUIRES_VIOLATION, free_reportsErr7REQUIRES_VIOLATION, free_reportsErr2REQUIRES_VIOLATION, free_reportsErr4ASSERT_VIOLATIONMEMORY_FREE, free_reportsErr8REQUIRES_VIOLATION, free_reportsErr3REQUIRES_VIOLATION, free_reportsErr6ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, hid_register_reportErr1REQUIRES_VIOLATION, hid_register_reportErr6REQUIRES_VIOLATION, hid_register_reportErr7REQUIRES_VIOLATION, hid_register_reportErr5REQUIRES_VIOLATION, hid_register_reportErr0REQUIRES_VIOLATION, hid_register_reportErr4REQUIRES_VIOLATION, hid_register_reportErr2REQUIRES_VIOLATION, hid_register_reportErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, hid_parser_mainErr0REQUIRES_VIOLATION, hid_parser_mainErr1REQUIRES_VIOLATION, hid_parser_mainErr2REQUIRES_VIOLATION, hid_parser_mainErr3REQUIRES_VIOLATION, disconnect_deviceErr0REQUIRES_VIOLATION, disconnect_deviceErr5ASSERT_VIOLATIONMEMORY_FREE, disconnect_deviceErr6ASSERT_VIOLATIONMEMORY_FREE, disconnect_deviceErr4ASSERT_VIOLATIONMEMORY_FREE, disconnect_deviceErr1REQUIRES_VIOLATION, disconnect_deviceErr3REQUIRES_VIOLATION, disconnect_deviceErr2REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, hid_open_reportErr7ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr5REQUIRES_VIOLATION, hid_open_reportErr8ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr9ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr0REQUIRES_VIOLATION, hid_open_reportErr11REQUIRES_VIOLATION, hid_open_reportErr6ASSERT_VIOLATIONARRAY_INDEX, hid_open_reportErr10REQUIRES_VIOLATION, hid_open_reportErr1REQUIRES_VIOLATION, hid_open_reportErr13ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr3REQUIRES_VIOLATION, hid_open_reportErr2REQUIRES_VIOLATION, hid_open_reportErr4REQUIRES_VIOLATION, hid_open_reportErr12ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr14ASSERT_VIOLATIONMEMORY_FREE, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, probe_23Err3ASSERT_VIOLATIONMEMORY_FREE, probe_23Err2ASSERT_VIOLATIONMEMORY_FREE, probe_23Err0REQUIRES_VIOLATION, probe_23Err4ASSERT_VIOLATIONMEMORY_FREE, probe_23Err1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION]=== [2019-11-22 13:56:12,521 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-22 13:56:12,521 INFO L82 PathProgramCache]: Analyzing trace with hash -2131815316, now seen corresponding path program 1 times [2019-11-22 13:56:12,522 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-22 13:56:12,522 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [1305588241] [2019-11-22 13:56:12,522 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 11 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-22 13:56:12,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-22 13:56:12,801 INFO L255 TraceCheckSpWp]: Trace formula consists of 202 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-22 13:56:12,802 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-22 13:56:12,825 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-22 13:56:12,825 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-22 13:56:12,883 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-22 13:56:12,883 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1305588241] [2019-11-22 13:56:12,883 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-22 13:56:12,884 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2019-11-22 13:56:12,884 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1483772158] [2019-11-22 13:56:12,884 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-22 13:56:12,884 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-22 13:56:12,884 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-22 13:56:12,885 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-22 13:56:12,885 INFO L87 Difference]: Start difference. First operand 274 states and 299 transitions. Second operand 5 states. [2019-11-22 13:56:12,913 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-22 13:56:12,913 INFO L93 Difference]: Finished difference Result 273 states and 298 transitions. [2019-11-22 13:56:12,913 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-22 13:56:12,914 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 40 [2019-11-22 13:56:12,914 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-22 13:56:12,915 INFO L225 Difference]: With dead ends: 273 [2019-11-22 13:56:12,916 INFO L226 Difference]: Without dead ends: 273 [2019-11-22 13:56:12,916 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 76 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-22 13:56:12,917 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 273 states. [2019-11-22 13:56:12,923 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 273 to 273. [2019-11-22 13:56:12,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 273 states. [2019-11-22 13:56:12,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 273 states and 298 transitions. [2019-11-22 13:56:12,925 INFO L78 Accepts]: Start accepts. Automaton has 273 states and 298 transitions. Word has length 40 [2019-11-22 13:56:12,925 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-22 13:56:12,925 INFO L462 AbstractCegarLoop]: Abstraction has 273 states and 298 transitions. [2019-11-22 13:56:12,925 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-22 13:56:12,925 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 298 transitions. [2019-11-22 13:56:12,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2019-11-22 13:56:12,926 INFO L402 BasicCegarLoop]: Found error trace [2019-11-22 13:56:12,926 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-22 13:56:13,130 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-22 13:56:13,131 INFO L410 AbstractCegarLoop]: === Iteration 11 === [fetch_itemErr4REQUIRES_VIOLATION, fetch_itemErr2REQUIRES_VIOLATION, fetch_itemErr3REQUIRES_VIOLATION, fetch_itemErr6REQUIRES_VIOLATION, fetch_itemErr0REQUIRES_VIOLATION, fetch_itemErr7REQUIRES_VIOLATION, fetch_itemErr5REQUIRES_VIOLATION, fetch_itemErr1REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, free_reportsErr0REQUIRES_VIOLATION, free_reportsErr5ASSERT_VIOLATIONMEMORY_FREE, free_reportsErr1REQUIRES_VIOLATION, free_reportsErr7REQUIRES_VIOLATION, free_reportsErr2REQUIRES_VIOLATION, free_reportsErr4ASSERT_VIOLATIONMEMORY_FREE, free_reportsErr8REQUIRES_VIOLATION, free_reportsErr3REQUIRES_VIOLATION, free_reportsErr6ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, hid_register_reportErr1REQUIRES_VIOLATION, hid_register_reportErr6REQUIRES_VIOLATION, hid_register_reportErr7REQUIRES_VIOLATION, hid_register_reportErr5REQUIRES_VIOLATION, hid_register_reportErr0REQUIRES_VIOLATION, hid_register_reportErr4REQUIRES_VIOLATION, hid_register_reportErr2REQUIRES_VIOLATION, hid_register_reportErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, hid_parser_mainErr0REQUIRES_VIOLATION, hid_parser_mainErr1REQUIRES_VIOLATION, hid_parser_mainErr2REQUIRES_VIOLATION, hid_parser_mainErr3REQUIRES_VIOLATION, disconnect_deviceErr0REQUIRES_VIOLATION, disconnect_deviceErr5ASSERT_VIOLATIONMEMORY_FREE, disconnect_deviceErr6ASSERT_VIOLATIONMEMORY_FREE, disconnect_deviceErr4ASSERT_VIOLATIONMEMORY_FREE, disconnect_deviceErr1REQUIRES_VIOLATION, disconnect_deviceErr3REQUIRES_VIOLATION, disconnect_deviceErr2REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, hid_open_reportErr7ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr5REQUIRES_VIOLATION, hid_open_reportErr8ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr9ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr0REQUIRES_VIOLATION, hid_open_reportErr11REQUIRES_VIOLATION, hid_open_reportErr6ASSERT_VIOLATIONARRAY_INDEX, hid_open_reportErr10REQUIRES_VIOLATION, hid_open_reportErr1REQUIRES_VIOLATION, hid_open_reportErr13ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr3REQUIRES_VIOLATION, hid_open_reportErr2REQUIRES_VIOLATION, hid_open_reportErr4REQUIRES_VIOLATION, hid_open_reportErr12ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr14ASSERT_VIOLATIONMEMORY_FREE, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, probe_23Err3ASSERT_VIOLATIONMEMORY_FREE, probe_23Err2ASSERT_VIOLATIONMEMORY_FREE, probe_23Err0REQUIRES_VIOLATION, probe_23Err4ASSERT_VIOLATIONMEMORY_FREE, probe_23Err1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION]=== [2019-11-22 13:56:13,132 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-22 13:56:13,132 INFO L82 PathProgramCache]: Analyzing trace with hash -1661765169, now seen corresponding path program 1 times [2019-11-22 13:56:13,133 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-22 13:56:13,133 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [1400989291] [2019-11-22 13:56:13,133 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 12 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-22 13:56:13,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-22 13:56:13,426 INFO L255 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-22 13:56:13,428 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-22 13:56:13,489 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-22 13:56:13,490 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-22 13:56:13,564 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-22 13:56:13,565 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1400989291] [2019-11-22 13:56:13,565 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-22 13:56:13,565 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 6 [2019-11-22 13:56:13,565 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1132196132] [2019-11-22 13:56:13,566 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-22 13:56:13,566 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-22 13:56:13,566 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-22 13:56:13,566 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-11-22 13:56:13,566 INFO L87 Difference]: Start difference. First operand 273 states and 298 transitions. Second operand 6 states. [2019-11-22 13:56:13,704 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-22 13:56:13,704 INFO L93 Difference]: Finished difference Result 273 states and 297 transitions. [2019-11-22 13:56:13,705 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-22 13:56:13,705 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 41 [2019-11-22 13:56:13,705 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-22 13:56:13,707 INFO L225 Difference]: With dead ends: 273 [2019-11-22 13:56:13,707 INFO L226 Difference]: Without dead ends: 273 [2019-11-22 13:56:13,707 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 77 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2019-11-22 13:56:13,708 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 273 states. [2019-11-22 13:56:13,714 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 273 to 273. [2019-11-22 13:56:13,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 273 states. [2019-11-22 13:56:13,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 273 states and 297 transitions. [2019-11-22 13:56:13,716 INFO L78 Accepts]: Start accepts. Automaton has 273 states and 297 transitions. Word has length 41 [2019-11-22 13:56:13,716 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-22 13:56:13,716 INFO L462 AbstractCegarLoop]: Abstraction has 273 states and 297 transitions. [2019-11-22 13:56:13,716 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-22 13:56:13,716 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 297 transitions. [2019-11-22 13:56:13,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-11-22 13:56:13,717 INFO L402 BasicCegarLoop]: Found error trace [2019-11-22 13:56:13,718 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-22 13:56:13,929 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-22 13:56:13,929 INFO L410 AbstractCegarLoop]: === Iteration 12 === [fetch_itemErr4REQUIRES_VIOLATION, fetch_itemErr2REQUIRES_VIOLATION, fetch_itemErr3REQUIRES_VIOLATION, fetch_itemErr6REQUIRES_VIOLATION, fetch_itemErr0REQUIRES_VIOLATION, fetch_itemErr7REQUIRES_VIOLATION, fetch_itemErr5REQUIRES_VIOLATION, fetch_itemErr1REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, free_reportsErr0REQUIRES_VIOLATION, free_reportsErr5ASSERT_VIOLATIONMEMORY_FREE, free_reportsErr1REQUIRES_VIOLATION, free_reportsErr7REQUIRES_VIOLATION, free_reportsErr2REQUIRES_VIOLATION, free_reportsErr4ASSERT_VIOLATIONMEMORY_FREE, free_reportsErr8REQUIRES_VIOLATION, free_reportsErr3REQUIRES_VIOLATION, free_reportsErr6ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, hid_register_reportErr1REQUIRES_VIOLATION, hid_register_reportErr6REQUIRES_VIOLATION, hid_register_reportErr7REQUIRES_VIOLATION, hid_register_reportErr5REQUIRES_VIOLATION, hid_register_reportErr0REQUIRES_VIOLATION, hid_register_reportErr4REQUIRES_VIOLATION, hid_register_reportErr2REQUIRES_VIOLATION, hid_register_reportErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, hid_parser_mainErr0REQUIRES_VIOLATION, hid_parser_mainErr1REQUIRES_VIOLATION, hid_parser_mainErr2REQUIRES_VIOLATION, hid_parser_mainErr3REQUIRES_VIOLATION, disconnect_deviceErr0REQUIRES_VIOLATION, disconnect_deviceErr5ASSERT_VIOLATIONMEMORY_FREE, disconnect_deviceErr6ASSERT_VIOLATIONMEMORY_FREE, disconnect_deviceErr4ASSERT_VIOLATIONMEMORY_FREE, disconnect_deviceErr1REQUIRES_VIOLATION, disconnect_deviceErr3REQUIRES_VIOLATION, disconnect_deviceErr2REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, hid_open_reportErr7ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr5REQUIRES_VIOLATION, hid_open_reportErr8ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr9ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr0REQUIRES_VIOLATION, hid_open_reportErr11REQUIRES_VIOLATION, hid_open_reportErr6ASSERT_VIOLATIONARRAY_INDEX, hid_open_reportErr10REQUIRES_VIOLATION, hid_open_reportErr1REQUIRES_VIOLATION, hid_open_reportErr13ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr3REQUIRES_VIOLATION, hid_open_reportErr2REQUIRES_VIOLATION, hid_open_reportErr4REQUIRES_VIOLATION, hid_open_reportErr12ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr14ASSERT_VIOLATIONMEMORY_FREE, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, probe_23Err3ASSERT_VIOLATIONMEMORY_FREE, probe_23Err2ASSERT_VIOLATIONMEMORY_FREE, probe_23Err0REQUIRES_VIOLATION, probe_23Err4ASSERT_VIOLATIONMEMORY_FREE, probe_23Err1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION]=== [2019-11-22 13:56:13,930 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-22 13:56:13,930 INFO L82 PathProgramCache]: Analyzing trace with hash -189376995, now seen corresponding path program 1 times [2019-11-22 13:56:13,930 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-22 13:56:13,931 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [472516575] [2019-11-22 13:56:13,931 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 13 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-22 13:56:14,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-22 13:56:14,343 INFO L255 TraceCheckSpWp]: Trace formula consists of 238 conjuncts, 10 conjunts are in the unsatisfiable core [2019-11-22 13:56:14,345 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-22 13:56:14,367 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2019-11-22 13:56:14,367 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-22 13:56:14,375 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-22 13:56:14,376 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-22 13:56:14,376 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2019-11-22 13:56:14,395 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2019-11-22 13:56:14,395 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-22 13:56:14,403 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-22 13:56:14,404 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-22 13:56:14,404 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:14, output treesize:7 [2019-11-22 13:56:14,522 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2019-11-22 13:56:14,523 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-22 13:56:14,541 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-22 13:56:14,541 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2019-11-22 13:56:14,542 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:13, output treesize:12 [2019-11-22 13:56:14,688 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 13:56:14,690 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2019-11-22 13:56:14,692 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-22 13:56:14,719 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-22 13:56:14,720 INFO L496 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-1 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2019-11-22 13:56:14,720 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 4 variables, input treesize:23, output treesize:22 [2019-11-22 13:56:17,060 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-22 13:56:17,061 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-22 13:56:17,519 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-22 13:56:17,519 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [472516575] [2019-11-22 13:56:17,520 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-22 13:56:17,520 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10, 7] imperfect sequences [] total 16 [2019-11-22 13:56:17,520 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2041923422] [2019-11-22 13:56:17,522 INFO L442 AbstractCegarLoop]: Interpolant automaton has 17 states [2019-11-22 13:56:17,522 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-22 13:56:17,523 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2019-11-22 13:56:17,523 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=216, Unknown=0, NotChecked=0, Total=272 [2019-11-22 13:56:17,523 INFO L87 Difference]: Start difference. First operand 273 states and 297 transitions. Second operand 17 states. [2019-11-22 13:56:35,221 WARN L192 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 32 [2019-11-22 13:58:30,739 WARN L192 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 21 [2019-11-22 13:58:57,711 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-22 13:58:57,711 INFO L93 Difference]: Finished difference Result 378 states and 402 transitions. [2019-11-22 13:58:57,711 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2019-11-22 13:58:57,712 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 47 [2019-11-22 13:58:57,712 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-22 13:58:57,713 INFO L225 Difference]: With dead ends: 378 [2019-11-22 13:58:57,714 INFO L226 Difference]: Without dead ends: 378 [2019-11-22 13:58:57,714 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 81 SyntacticMatches, 3 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 161 ImplicationChecksByTransitivity, 15.5s TimeCoverageRelationStatistics Valid=218, Invalid=708, Unknown=4, NotChecked=0, Total=930 [2019-11-22 13:58:57,716 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 378 states. [2019-11-22 13:58:57,722 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 378 to 278. [2019-11-22 13:58:57,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 278 states. [2019-11-22 13:58:57,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 278 states and 303 transitions. [2019-11-22 13:58:57,724 INFO L78 Accepts]: Start accepts. Automaton has 278 states and 303 transitions. Word has length 47 [2019-11-22 13:58:57,725 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-22 13:58:57,725 INFO L462 AbstractCegarLoop]: Abstraction has 278 states and 303 transitions. [2019-11-22 13:58:57,725 INFO L463 AbstractCegarLoop]: Interpolant automaton has 17 states. [2019-11-22 13:58:57,725 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 303 transitions. [2019-11-22 13:58:57,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-11-22 13:58:57,726 INFO L402 BasicCegarLoop]: Found error trace [2019-11-22 13:58:57,726 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-22 13:58:57,930 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-22 13:58:57,930 INFO L410 AbstractCegarLoop]: === Iteration 13 === [fetch_itemErr4REQUIRES_VIOLATION, fetch_itemErr2REQUIRES_VIOLATION, fetch_itemErr3REQUIRES_VIOLATION, fetch_itemErr6REQUIRES_VIOLATION, fetch_itemErr0REQUIRES_VIOLATION, fetch_itemErr7REQUIRES_VIOLATION, fetch_itemErr5REQUIRES_VIOLATION, fetch_itemErr1REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, free_reportsErr0REQUIRES_VIOLATION, free_reportsErr5ASSERT_VIOLATIONMEMORY_FREE, free_reportsErr1REQUIRES_VIOLATION, free_reportsErr7REQUIRES_VIOLATION, free_reportsErr2REQUIRES_VIOLATION, free_reportsErr4ASSERT_VIOLATIONMEMORY_FREE, free_reportsErr8REQUIRES_VIOLATION, free_reportsErr3REQUIRES_VIOLATION, free_reportsErr6ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, hid_register_reportErr1REQUIRES_VIOLATION, hid_register_reportErr6REQUIRES_VIOLATION, hid_register_reportErr7REQUIRES_VIOLATION, hid_register_reportErr5REQUIRES_VIOLATION, hid_register_reportErr0REQUIRES_VIOLATION, hid_register_reportErr4REQUIRES_VIOLATION, hid_register_reportErr2REQUIRES_VIOLATION, hid_register_reportErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, hid_parser_mainErr0REQUIRES_VIOLATION, hid_parser_mainErr1REQUIRES_VIOLATION, hid_parser_mainErr2REQUIRES_VIOLATION, hid_parser_mainErr3REQUIRES_VIOLATION, disconnect_deviceErr0REQUIRES_VIOLATION, disconnect_deviceErr5ASSERT_VIOLATIONMEMORY_FREE, disconnect_deviceErr6ASSERT_VIOLATIONMEMORY_FREE, disconnect_deviceErr4ASSERT_VIOLATIONMEMORY_FREE, disconnect_deviceErr1REQUIRES_VIOLATION, disconnect_deviceErr3REQUIRES_VIOLATION, disconnect_deviceErr2REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, hid_open_reportErr7ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr5REQUIRES_VIOLATION, hid_open_reportErr8ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr9ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr0REQUIRES_VIOLATION, hid_open_reportErr11REQUIRES_VIOLATION, hid_open_reportErr6ASSERT_VIOLATIONARRAY_INDEX, hid_open_reportErr10REQUIRES_VIOLATION, hid_open_reportErr1REQUIRES_VIOLATION, hid_open_reportErr13ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr3REQUIRES_VIOLATION, hid_open_reportErr2REQUIRES_VIOLATION, hid_open_reportErr4REQUIRES_VIOLATION, hid_open_reportErr12ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr14ASSERT_VIOLATIONMEMORY_FREE, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, probe_23Err3ASSERT_VIOLATIONMEMORY_FREE, probe_23Err2ASSERT_VIOLATIONMEMORY_FREE, probe_23Err0REQUIRES_VIOLATION, probe_23Err4ASSERT_VIOLATIONMEMORY_FREE, probe_23Err1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION]=== [2019-11-22 13:58:57,931 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-22 13:58:57,931 INFO L82 PathProgramCache]: Analyzing trace with hash -189376994, now seen corresponding path program 1 times [2019-11-22 13:58:57,931 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-22 13:58:57,931 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [1278119150] [2019-11-22 13:58:57,931 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 14 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-22 13:58:58,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-22 13:58:58,348 INFO L255 TraceCheckSpWp]: Trace formula consists of 238 conjuncts, 12 conjunts are in the unsatisfiable core [2019-11-22 13:58:58,352 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-22 13:58:58,360 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2019-11-22 13:58:58,361 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-22 13:58:58,371 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-22 13:58:58,372 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-22 13:58:58,372 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2019-11-22 13:58:58,391 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2019-11-22 13:58:58,391 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-22 13:58:58,400 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-22 13:58:58,401 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-22 13:58:58,401 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:12, output treesize:7 [2019-11-22 13:58:58,475 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2019-11-22 13:58:58,475 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-22 13:58:58,489 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-22 13:58:58,490 INFO L496 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-1 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2019-11-22 13:58:58,490 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 4 variables, input treesize:13, output treesize:7 [2019-11-22 13:58:58,601 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 13:58:58,602 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 14 [2019-11-22 13:58:58,603 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-22 13:58:58,625 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-22 13:58:58,626 INFO L496 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-1 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2019-11-22 13:58:58,627 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 5 variables, input treesize:24, output treesize:18 [2019-11-22 13:58:58,981 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-22 13:58:58,981 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-22 13:58:59,274 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-22 13:58:59,441 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-22 13:58:59,441 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-22 13:58:59,442 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-22 13:59:00,427 WARN L192 SmtUtils]: Spent 660.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 26 [2019-11-22 13:59:00,442 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-22 13:59:06,005 WARN L192 SmtUtils]: Spent 2.15 s on a formula simplification. DAG size of input: 33 DAG size of output: 27 [2019-11-22 13:59:06,023 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-22 13:59:06,023 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1278119150] [2019-11-22 13:59:06,023 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-22 13:59:06,024 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9, 7] imperfect sequences [] total 15 [2019-11-22 13:59:06,024 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1833723592] [2019-11-22 13:59:06,024 INFO L442 AbstractCegarLoop]: Interpolant automaton has 16 states [2019-11-22 13:59:06,025 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-22 13:59:06,025 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2019-11-22 13:59:06,025 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=198, Unknown=0, NotChecked=0, Total=240 [2019-11-22 13:59:06,025 INFO L87 Difference]: Start difference. First operand 278 states and 303 transitions. Second operand 16 states. [2019-11-22 13:59:48,356 WARN L192 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 35 [2019-11-22 14:00:07,373 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-22 14:00:07,374 INFO L93 Difference]: Finished difference Result 273 states and 294 transitions. [2019-11-22 14:00:07,375 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2019-11-22 14:00:07,375 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 47 [2019-11-22 14:00:07,376 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-22 14:00:07,377 INFO L225 Difference]: With dead ends: 273 [2019-11-22 14:00:07,377 INFO L226 Difference]: Without dead ends: 273 [2019-11-22 14:00:07,378 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 79 SyntacticMatches, 2 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 8.2s TimeCoverageRelationStatistics Valid=101, Invalid=361, Unknown=0, NotChecked=0, Total=462 [2019-11-22 14:00:07,379 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 273 states. [2019-11-22 14:00:07,384 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 273 to 273. [2019-11-22 14:00:07,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 273 states. [2019-11-22 14:00:07,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 273 states and 294 transitions. [2019-11-22 14:00:07,386 INFO L78 Accepts]: Start accepts. Automaton has 273 states and 294 transitions. Word has length 47 [2019-11-22 14:00:07,387 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-22 14:00:07,387 INFO L462 AbstractCegarLoop]: Abstraction has 273 states and 294 transitions. [2019-11-22 14:00:07,387 INFO L463 AbstractCegarLoop]: Interpolant automaton has 16 states. [2019-11-22 14:00:07,387 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 294 transitions. [2019-11-22 14:00:07,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-11-22 14:00:07,388 INFO L402 BasicCegarLoop]: Found error trace [2019-11-22 14:00:07,388 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-22 14:00:07,592 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-22 14:00:07,593 INFO L410 AbstractCegarLoop]: === Iteration 14 === [fetch_itemErr4REQUIRES_VIOLATION, fetch_itemErr2REQUIRES_VIOLATION, fetch_itemErr3REQUIRES_VIOLATION, fetch_itemErr6REQUIRES_VIOLATION, fetch_itemErr0REQUIRES_VIOLATION, fetch_itemErr7REQUIRES_VIOLATION, fetch_itemErr5REQUIRES_VIOLATION, fetch_itemErr1REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, free_reportsErr0REQUIRES_VIOLATION, free_reportsErr5ASSERT_VIOLATIONMEMORY_FREE, free_reportsErr1REQUIRES_VIOLATION, free_reportsErr7REQUIRES_VIOLATION, free_reportsErr2REQUIRES_VIOLATION, free_reportsErr4ASSERT_VIOLATIONMEMORY_FREE, free_reportsErr8REQUIRES_VIOLATION, free_reportsErr3REQUIRES_VIOLATION, free_reportsErr6ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, hid_register_reportErr1REQUIRES_VIOLATION, hid_register_reportErr6REQUIRES_VIOLATION, hid_register_reportErr7REQUIRES_VIOLATION, hid_register_reportErr5REQUIRES_VIOLATION, hid_register_reportErr0REQUIRES_VIOLATION, hid_register_reportErr4REQUIRES_VIOLATION, hid_register_reportErr2REQUIRES_VIOLATION, hid_register_reportErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, hid_parser_mainErr0REQUIRES_VIOLATION, hid_parser_mainErr1REQUIRES_VIOLATION, hid_parser_mainErr2REQUIRES_VIOLATION, hid_parser_mainErr3REQUIRES_VIOLATION, disconnect_deviceErr0REQUIRES_VIOLATION, disconnect_deviceErr5ASSERT_VIOLATIONMEMORY_FREE, disconnect_deviceErr6ASSERT_VIOLATIONMEMORY_FREE, disconnect_deviceErr4ASSERT_VIOLATIONMEMORY_FREE, disconnect_deviceErr1REQUIRES_VIOLATION, disconnect_deviceErr3REQUIRES_VIOLATION, disconnect_deviceErr2REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, hid_open_reportErr7ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr5REQUIRES_VIOLATION, hid_open_reportErr8ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr9ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr0REQUIRES_VIOLATION, hid_open_reportErr11REQUIRES_VIOLATION, hid_open_reportErr6ASSERT_VIOLATIONARRAY_INDEX, hid_open_reportErr10REQUIRES_VIOLATION, hid_open_reportErr1REQUIRES_VIOLATION, hid_open_reportErr13ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr3REQUIRES_VIOLATION, hid_open_reportErr2REQUIRES_VIOLATION, hid_open_reportErr4REQUIRES_VIOLATION, hid_open_reportErr12ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr14ASSERT_VIOLATIONMEMORY_FREE, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, probe_23Err3ASSERT_VIOLATIONMEMORY_FREE, probe_23Err2ASSERT_VIOLATIONMEMORY_FREE, probe_23Err0REQUIRES_VIOLATION, probe_23Err4ASSERT_VIOLATIONMEMORY_FREE, probe_23Err1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION]=== [2019-11-22 14:00:07,593 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-22 14:00:07,593 INFO L82 PathProgramCache]: Analyzing trace with hash 1736103018, now seen corresponding path program 1 times [2019-11-22 14:00:07,593 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-22 14:00:07,594 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [1121920815] [2019-11-22 14:00:07,594 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 15 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-22 14:00:07,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-22 14:00:07,896 INFO L255 TraceCheckSpWp]: Trace formula consists of 243 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-22 14:00:07,897 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-22 14:00:08,053 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-22 14:00:08,053 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-22 14:00:08,118 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-22 14:00:08,118 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1121920815] [2019-11-22 14:00:08,119 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-22 14:00:08,119 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 5] imperfect sequences [] total 6 [2019-11-22 14:00:08,119 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1944422893] [2019-11-22 14:00:08,119 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-22 14:00:08,120 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-22 14:00:08,120 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-22 14:00:08,120 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2019-11-22 14:00:08,120 INFO L87 Difference]: Start difference. First operand 273 states and 294 transitions. Second operand 7 states. [2019-11-22 14:00:08,812 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-22 14:00:08,813 INFO L93 Difference]: Finished difference Result 271 states and 291 transitions. [2019-11-22 14:00:08,817 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-22 14:00:08,817 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 51 [2019-11-22 14:00:08,817 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-22 14:00:08,819 INFO L225 Difference]: With dead ends: 271 [2019-11-22 14:00:08,819 INFO L226 Difference]: Without dead ends: 271 [2019-11-22 14:00:08,819 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 91 SyntacticMatches, 5 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2019-11-22 14:00:08,820 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 271 states. [2019-11-22 14:00:08,828 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 271 to 271. [2019-11-22 14:00:08,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 271 states. [2019-11-22 14:00:08,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 271 states and 291 transitions. [2019-11-22 14:00:08,829 INFO L78 Accepts]: Start accepts. Automaton has 271 states and 291 transitions. Word has length 51 [2019-11-22 14:00:08,830 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-22 14:00:08,830 INFO L462 AbstractCegarLoop]: Abstraction has 271 states and 291 transitions. [2019-11-22 14:00:08,830 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-22 14:00:08,830 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states and 291 transitions. [2019-11-22 14:00:08,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-11-22 14:00:08,831 INFO L402 BasicCegarLoop]: Found error trace [2019-11-22 14:00:08,831 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-22 14:00:09,034 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-22 14:00:09,035 INFO L410 AbstractCegarLoop]: === Iteration 15 === [fetch_itemErr4REQUIRES_VIOLATION, fetch_itemErr2REQUIRES_VIOLATION, fetch_itemErr3REQUIRES_VIOLATION, fetch_itemErr6REQUIRES_VIOLATION, fetch_itemErr0REQUIRES_VIOLATION, fetch_itemErr7REQUIRES_VIOLATION, fetch_itemErr5REQUIRES_VIOLATION, fetch_itemErr1REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, free_reportsErr0REQUIRES_VIOLATION, free_reportsErr5ASSERT_VIOLATIONMEMORY_FREE, free_reportsErr1REQUIRES_VIOLATION, free_reportsErr7REQUIRES_VIOLATION, free_reportsErr2REQUIRES_VIOLATION, free_reportsErr4ASSERT_VIOLATIONMEMORY_FREE, free_reportsErr8REQUIRES_VIOLATION, free_reportsErr3REQUIRES_VIOLATION, free_reportsErr6ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, hid_register_reportErr1REQUIRES_VIOLATION, hid_register_reportErr6REQUIRES_VIOLATION, hid_register_reportErr7REQUIRES_VIOLATION, hid_register_reportErr5REQUIRES_VIOLATION, hid_register_reportErr0REQUIRES_VIOLATION, hid_register_reportErr4REQUIRES_VIOLATION, hid_register_reportErr2REQUIRES_VIOLATION, hid_register_reportErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, hid_parser_mainErr0REQUIRES_VIOLATION, hid_parser_mainErr1REQUIRES_VIOLATION, hid_parser_mainErr2REQUIRES_VIOLATION, hid_parser_mainErr3REQUIRES_VIOLATION, disconnect_deviceErr0REQUIRES_VIOLATION, disconnect_deviceErr5ASSERT_VIOLATIONMEMORY_FREE, disconnect_deviceErr6ASSERT_VIOLATIONMEMORY_FREE, disconnect_deviceErr4ASSERT_VIOLATIONMEMORY_FREE, disconnect_deviceErr1REQUIRES_VIOLATION, disconnect_deviceErr3REQUIRES_VIOLATION, disconnect_deviceErr2REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, hid_open_reportErr7ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr5REQUIRES_VIOLATION, hid_open_reportErr8ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr9ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr0REQUIRES_VIOLATION, hid_open_reportErr11REQUIRES_VIOLATION, hid_open_reportErr6ASSERT_VIOLATIONARRAY_INDEX, hid_open_reportErr10REQUIRES_VIOLATION, hid_open_reportErr1REQUIRES_VIOLATION, hid_open_reportErr13ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr3REQUIRES_VIOLATION, hid_open_reportErr2REQUIRES_VIOLATION, hid_open_reportErr4REQUIRES_VIOLATION, hid_open_reportErr12ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr14ASSERT_VIOLATIONMEMORY_FREE, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, probe_23Err3ASSERT_VIOLATIONMEMORY_FREE, probe_23Err2ASSERT_VIOLATIONMEMORY_FREE, probe_23Err0REQUIRES_VIOLATION, probe_23Err4ASSERT_VIOLATIONMEMORY_FREE, probe_23Err1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION]=== [2019-11-22 14:00:09,035 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-22 14:00:09,035 INFO L82 PathProgramCache]: Analyzing trace with hash 1736104462, now seen corresponding path program 1 times [2019-11-22 14:00:09,036 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-22 14:00:09,036 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [688515961] [2019-11-22 14:00:09,036 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 16 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-22 14:00:09,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-22 14:00:09,344 INFO L255 TraceCheckSpWp]: Trace formula consists of 247 conjuncts, 3 conjunts are in the unsatisfiable core [2019-11-22 14:00:09,345 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-22 14:00:09,356 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-22 14:00:09,356 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-22 14:00:09,391 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-22 14:00:09,392 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [688515961] [2019-11-22 14:00:09,392 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-22 14:00:09,392 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2019-11-22 14:00:09,392 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [333113727] [2019-11-22 14:00:09,393 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-22 14:00:09,393 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-22 14:00:09,393 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-22 14:00:09,393 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-22 14:00:09,394 INFO L87 Difference]: Start difference. First operand 271 states and 291 transitions. Second operand 4 states. [2019-11-22 14:00:09,402 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-22 14:00:09,403 INFO L93 Difference]: Finished difference Result 277 states and 298 transitions. [2019-11-22 14:00:09,403 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-22 14:00:09,403 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 51 [2019-11-22 14:00:09,403 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-22 14:00:09,404 INFO L225 Difference]: With dead ends: 277 [2019-11-22 14:00:09,405 INFO L226 Difference]: Without dead ends: 277 [2019-11-22 14:00:09,405 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 98 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-22 14:00:09,406 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 277 states. [2019-11-22 14:00:09,411 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 277 to 277. [2019-11-22 14:00:09,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 277 states. [2019-11-22 14:00:09,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 277 states and 298 transitions. [2019-11-22 14:00:09,413 INFO L78 Accepts]: Start accepts. Automaton has 277 states and 298 transitions. Word has length 51 [2019-11-22 14:00:09,414 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-22 14:00:09,414 INFO L462 AbstractCegarLoop]: Abstraction has 277 states and 298 transitions. [2019-11-22 14:00:09,414 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-22 14:00:09,414 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 298 transitions. [2019-11-22 14:00:09,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2019-11-22 14:00:09,415 INFO L402 BasicCegarLoop]: Found error trace [2019-11-22 14:00:09,415 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-22 14:00:09,619 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-22 14:00:09,620 INFO L410 AbstractCegarLoop]: === Iteration 16 === [fetch_itemErr4REQUIRES_VIOLATION, fetch_itemErr2REQUIRES_VIOLATION, fetch_itemErr3REQUIRES_VIOLATION, fetch_itemErr6REQUIRES_VIOLATION, fetch_itemErr0REQUIRES_VIOLATION, fetch_itemErr7REQUIRES_VIOLATION, fetch_itemErr5REQUIRES_VIOLATION, fetch_itemErr1REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, free_reportsErr0REQUIRES_VIOLATION, free_reportsErr5ASSERT_VIOLATIONMEMORY_FREE, free_reportsErr1REQUIRES_VIOLATION, free_reportsErr7REQUIRES_VIOLATION, free_reportsErr2REQUIRES_VIOLATION, free_reportsErr4ASSERT_VIOLATIONMEMORY_FREE, free_reportsErr8REQUIRES_VIOLATION, free_reportsErr3REQUIRES_VIOLATION, free_reportsErr6ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, hid_register_reportErr1REQUIRES_VIOLATION, hid_register_reportErr6REQUIRES_VIOLATION, hid_register_reportErr7REQUIRES_VIOLATION, hid_register_reportErr5REQUIRES_VIOLATION, hid_register_reportErr0REQUIRES_VIOLATION, hid_register_reportErr4REQUIRES_VIOLATION, hid_register_reportErr2REQUIRES_VIOLATION, hid_register_reportErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, hid_parser_mainErr0REQUIRES_VIOLATION, hid_parser_mainErr1REQUIRES_VIOLATION, hid_parser_mainErr2REQUIRES_VIOLATION, hid_parser_mainErr3REQUIRES_VIOLATION, disconnect_deviceErr0REQUIRES_VIOLATION, disconnect_deviceErr5ASSERT_VIOLATIONMEMORY_FREE, disconnect_deviceErr6ASSERT_VIOLATIONMEMORY_FREE, disconnect_deviceErr4ASSERT_VIOLATIONMEMORY_FREE, disconnect_deviceErr1REQUIRES_VIOLATION, disconnect_deviceErr3REQUIRES_VIOLATION, disconnect_deviceErr2REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, hid_open_reportErr7ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr5REQUIRES_VIOLATION, hid_open_reportErr8ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr9ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr0REQUIRES_VIOLATION, hid_open_reportErr11REQUIRES_VIOLATION, hid_open_reportErr6ASSERT_VIOLATIONARRAY_INDEX, hid_open_reportErr10REQUIRES_VIOLATION, hid_open_reportErr1REQUIRES_VIOLATION, hid_open_reportErr13ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr3REQUIRES_VIOLATION, hid_open_reportErr2REQUIRES_VIOLATION, hid_open_reportErr4REQUIRES_VIOLATION, hid_open_reportErr12ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr14ASSERT_VIOLATIONMEMORY_FREE, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, probe_23Err3ASSERT_VIOLATIONMEMORY_FREE, probe_23Err2ASSERT_VIOLATIONMEMORY_FREE, probe_23Err0REQUIRES_VIOLATION, probe_23Err4ASSERT_VIOLATIONMEMORY_FREE, probe_23Err1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION]=== [2019-11-22 14:00:09,620 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-22 14:00:09,620 INFO L82 PathProgramCache]: Analyzing trace with hash -833835736, now seen corresponding path program 1 times [2019-11-22 14:00:09,620 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-22 14:00:09,620 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [1321565619] [2019-11-22 14:00:09,620 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 17 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-22 14:00:09,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-22 14:00:09,919 INFO L255 TraceCheckSpWp]: Trace formula consists of 252 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-22 14:00:09,922 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-22 14:00:10,045 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-22 14:00:10,045 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-22 14:00:10,109 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-22 14:00:10,110 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1321565619] [2019-11-22 14:00:10,110 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-22 14:00:10,110 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 4] imperfect sequences [] total 5 [2019-11-22 14:00:10,110 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [24808147] [2019-11-22 14:00:10,111 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-22 14:00:10,111 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-22 14:00:10,111 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-22 14:00:10,111 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2019-11-22 14:00:10,111 INFO L87 Difference]: Start difference. First operand 277 states and 298 transitions. Second operand 6 states. [2019-11-22 14:00:10,693 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-22 14:00:10,693 INFO L93 Difference]: Finished difference Result 276 states and 297 transitions. [2019-11-22 14:00:10,694 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-22 14:00:10,694 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 58 [2019-11-22 14:00:10,695 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-22 14:00:10,698 INFO L225 Difference]: With dead ends: 276 [2019-11-22 14:00:10,698 INFO L226 Difference]: Without dead ends: 276 [2019-11-22 14:00:10,698 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 108 SyntacticMatches, 3 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2019-11-22 14:00:10,700 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 276 states. [2019-11-22 14:00:10,705 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 276 to 276. [2019-11-22 14:00:10,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 276 states. [2019-11-22 14:00:10,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 276 states and 297 transitions. [2019-11-22 14:00:10,707 INFO L78 Accepts]: Start accepts. Automaton has 276 states and 297 transitions. Word has length 58 [2019-11-22 14:00:10,707 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-22 14:00:10,707 INFO L462 AbstractCegarLoop]: Abstraction has 276 states and 297 transitions. [2019-11-22 14:00:10,707 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-22 14:00:10,707 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states and 297 transitions. [2019-11-22 14:00:10,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2019-11-22 14:00:10,708 INFO L402 BasicCegarLoop]: Found error trace [2019-11-22 14:00:10,708 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-22 14:00:10,908 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-22 14:00:10,909 INFO L410 AbstractCegarLoop]: === Iteration 17 === [fetch_itemErr4REQUIRES_VIOLATION, fetch_itemErr2REQUIRES_VIOLATION, fetch_itemErr3REQUIRES_VIOLATION, fetch_itemErr6REQUIRES_VIOLATION, fetch_itemErr0REQUIRES_VIOLATION, fetch_itemErr7REQUIRES_VIOLATION, fetch_itemErr5REQUIRES_VIOLATION, fetch_itemErr1REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, free_reportsErr0REQUIRES_VIOLATION, free_reportsErr5ASSERT_VIOLATIONMEMORY_FREE, free_reportsErr1REQUIRES_VIOLATION, free_reportsErr7REQUIRES_VIOLATION, free_reportsErr2REQUIRES_VIOLATION, free_reportsErr4ASSERT_VIOLATIONMEMORY_FREE, free_reportsErr8REQUIRES_VIOLATION, free_reportsErr3REQUIRES_VIOLATION, free_reportsErr6ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, hid_register_reportErr1REQUIRES_VIOLATION, hid_register_reportErr6REQUIRES_VIOLATION, hid_register_reportErr7REQUIRES_VIOLATION, hid_register_reportErr5REQUIRES_VIOLATION, hid_register_reportErr0REQUIRES_VIOLATION, hid_register_reportErr4REQUIRES_VIOLATION, hid_register_reportErr2REQUIRES_VIOLATION, hid_register_reportErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, hid_parser_mainErr0REQUIRES_VIOLATION, hid_parser_mainErr1REQUIRES_VIOLATION, hid_parser_mainErr2REQUIRES_VIOLATION, hid_parser_mainErr3REQUIRES_VIOLATION, disconnect_deviceErr0REQUIRES_VIOLATION, disconnect_deviceErr5ASSERT_VIOLATIONMEMORY_FREE, disconnect_deviceErr6ASSERT_VIOLATIONMEMORY_FREE, disconnect_deviceErr4ASSERT_VIOLATIONMEMORY_FREE, disconnect_deviceErr1REQUIRES_VIOLATION, disconnect_deviceErr3REQUIRES_VIOLATION, disconnect_deviceErr2REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, hid_open_reportErr7ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr5REQUIRES_VIOLATION, hid_open_reportErr8ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr9ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr0REQUIRES_VIOLATION, hid_open_reportErr11REQUIRES_VIOLATION, hid_open_reportErr6ASSERT_VIOLATIONARRAY_INDEX, hid_open_reportErr10REQUIRES_VIOLATION, hid_open_reportErr1REQUIRES_VIOLATION, hid_open_reportErr13ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr3REQUIRES_VIOLATION, hid_open_reportErr2REQUIRES_VIOLATION, hid_open_reportErr4REQUIRES_VIOLATION, hid_open_reportErr12ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr14ASSERT_VIOLATIONMEMORY_FREE, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, probe_23Err3ASSERT_VIOLATIONMEMORY_FREE, probe_23Err2ASSERT_VIOLATIONMEMORY_FREE, probe_23Err0REQUIRES_VIOLATION, probe_23Err4ASSERT_VIOLATIONMEMORY_FREE, probe_23Err1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION]=== [2019-11-22 14:00:10,909 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-22 14:00:10,909 INFO L82 PathProgramCache]: Analyzing trace with hash 2104110994, now seen corresponding path program 1 times [2019-11-22 14:00:10,910 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-22 14:00:10,910 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [707508322] [2019-11-22 14:00:10,910 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 18 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-22 14:00:11,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-22 14:00:11,499 INFO L255 TraceCheckSpWp]: Trace formula consists of 313 conjuncts, 17 conjunts are in the unsatisfiable core [2019-11-22 14:00:11,501 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-22 14:00:11,507 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 6 [2019-11-22 14:00:11,507 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-22 14:00:11,511 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-22 14:00:11,511 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-22 14:00:11,512 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:7, output treesize:6 [2019-11-22 14:00:11,600 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 17 [2019-11-22 14:00:11,600 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-22 14:00:11,608 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-22 14:00:11,609 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-22 14:00:11,609 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:25, output treesize:17 [2019-11-22 14:00:13,653 WARN L860 $PredicateComparison]: unable to prove that (exists ((v_hid_open_report_~parser~0.base_BEFORE_CALL_5 (_ BitVec 32))) (let ((.cse0 (select |c_#memory_int| v_hid_open_report_~parser~0.base_BEFORE_CALL_5))) (= .cse0 (store ((as const (Array (_ BitVec 32) (_ BitVec 8))) (_ bv0 8)) (_ bv0 32) (select .cse0 (_ bv0 32)))))) is different from true [2019-11-22 14:00:15,689 WARN L192 SmtUtils]: Spent 2.01 s on a formula simplification that was a NOOP. DAG size: 13 [2019-11-22 14:00:15,743 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-22 14:00:15,743 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-22 14:00:17,900 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_hid_open_report_#t~ret53_23| (_ BitVec 32))) (let ((.cse1 (select |c_#memory_int| c_hid_open_report_~parser~0.base))) (let ((.cse0 (store |c_#memory_int| c_hid_open_report_~parser~0.base (store .cse1 (bvadd c_hid_open_report_~parser~0.offset (_ bv10 32)) ((_ extract 23 16) |v_hid_open_report_#t~ret53_23|))))) (or (not (= .cse0 (store |c_#memory_int| c_hid_open_report_~parser~0.base (store .cse1 (bvadd c_hid_open_report_~parser~0.offset (_ bv8 32)) ((_ extract 7 0) |v_hid_open_report_#t~ret53_23|))))) (not (bvsgt |v_hid_open_report_#t~ret53_23| (_ bv0 32))) (not (= (store |c_#memory_int| c_hid_open_report_~parser~0.base (store .cse1 (bvadd c_hid_open_report_~parser~0.offset (_ bv9 32)) ((_ extract 15 8) |v_hid_open_report_#t~ret53_23|))) .cse0)) (not (= (store |c_#memory_int| c_hid_open_report_~parser~0.base (store .cse1 (bvadd c_hid_open_report_~parser~0.offset (_ bv11 32)) ((_ extract 31 24) |v_hid_open_report_#t~ret53_23|))) .cse0)))))) is different from false [2019-11-22 14:00:19,914 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_hid_open_report_~parser~0.base_BEFORE_CALL_6 (_ BitVec 32)) (v_hid_open_report_~parser~0.offset_BEFORE_CALL_2 (_ BitVec 32))) (let ((.cse0 (select |c_#memory_int| v_hid_open_report_~parser~0.base_BEFORE_CALL_6))) (let ((.cse1 (store |c_#memory_int| v_hid_open_report_~parser~0.base_BEFORE_CALL_6 (store .cse0 (bvadd v_hid_open_report_~parser~0.offset_BEFORE_CALL_2 (_ bv10 32)) ((_ extract 23 16) |c_ldv_positive_#res|))))) (or (not (= (store |c_#memory_int| v_hid_open_report_~parser~0.base_BEFORE_CALL_6 (store .cse0 (bvadd v_hid_open_report_~parser~0.offset_BEFORE_CALL_2 (_ bv8 32)) ((_ extract 7 0) |c_ldv_positive_#res|))) .cse1)) (exists ((|v_hid_open_report_#t~ret53_23| (_ BitVec 32))) (let ((.cse3 (select |c_#memory_int| v_hid_open_report_~parser~0.base_BEFORE_CALL_6))) (let ((.cse2 (store |c_#memory_int| v_hid_open_report_~parser~0.base_BEFORE_CALL_6 (store .cse3 (bvadd v_hid_open_report_~parser~0.offset_BEFORE_CALL_2 (_ bv10 32)) ((_ extract 23 16) |v_hid_open_report_#t~ret53_23|))))) (and (= .cse2 (store |c_#memory_int| v_hid_open_report_~parser~0.base_BEFORE_CALL_6 (store .cse3 (bvadd v_hid_open_report_~parser~0.offset_BEFORE_CALL_2 (_ bv9 32)) ((_ extract 15 8) |v_hid_open_report_#t~ret53_23|)))) (= .cse2 (store |c_#memory_int| v_hid_open_report_~parser~0.base_BEFORE_CALL_6 (store .cse3 (bvadd v_hid_open_report_~parser~0.offset_BEFORE_CALL_2 (_ bv8 32)) ((_ extract 7 0) |v_hid_open_report_#t~ret53_23|)))) (= .cse2 (store |c_#memory_int| v_hid_open_report_~parser~0.base_BEFORE_CALL_6 (store .cse3 (bvadd v_hid_open_report_~parser~0.offset_BEFORE_CALL_2 (_ bv11 32)) ((_ extract 31 24) |v_hid_open_report_#t~ret53_23|)))) (bvsgt |v_hid_open_report_#t~ret53_23| (_ bv0 32)))))) (not (= .cse1 (store |c_#memory_int| v_hid_open_report_~parser~0.base_BEFORE_CALL_6 (store .cse0 (bvadd v_hid_open_report_~parser~0.offset_BEFORE_CALL_2 (_ bv11 32)) ((_ extract 31 24) |c_ldv_positive_#res|))))) (not (= (store |c_#memory_int| v_hid_open_report_~parser~0.base_BEFORE_CALL_6 (store .cse0 (bvadd v_hid_open_report_~parser~0.offset_BEFORE_CALL_2 (_ bv9 32)) ((_ extract 15 8) |c_ldv_positive_#res|))) .cse1)))))) is different from false [2019-11-22 14:00:21,916 WARN L860 $PredicateComparison]: unable to prove that (forall ((v_hid_open_report_~parser~0.base_BEFORE_CALL_6 (_ BitVec 32)) (v_hid_open_report_~parser~0.offset_BEFORE_CALL_2 (_ BitVec 32))) (let ((.cse0 (select |c_#memory_int| v_hid_open_report_~parser~0.base_BEFORE_CALL_6))) (let ((.cse1 (store |c_#memory_int| v_hid_open_report_~parser~0.base_BEFORE_CALL_6 (store .cse0 (bvadd v_hid_open_report_~parser~0.offset_BEFORE_CALL_2 (_ bv10 32)) ((_ extract 23 16) |c_ldv_positive_#res|))))) (or (not (= (store |c_#memory_int| v_hid_open_report_~parser~0.base_BEFORE_CALL_6 (store .cse0 (bvadd v_hid_open_report_~parser~0.offset_BEFORE_CALL_2 (_ bv8 32)) ((_ extract 7 0) |c_ldv_positive_#res|))) .cse1)) (exists ((|v_hid_open_report_#t~ret53_23| (_ BitVec 32))) (let ((.cse3 (select |c_#memory_int| v_hid_open_report_~parser~0.base_BEFORE_CALL_6))) (let ((.cse2 (store |c_#memory_int| v_hid_open_report_~parser~0.base_BEFORE_CALL_6 (store .cse3 (bvadd v_hid_open_report_~parser~0.offset_BEFORE_CALL_2 (_ bv10 32)) ((_ extract 23 16) |v_hid_open_report_#t~ret53_23|))))) (and (= .cse2 (store |c_#memory_int| v_hid_open_report_~parser~0.base_BEFORE_CALL_6 (store .cse3 (bvadd v_hid_open_report_~parser~0.offset_BEFORE_CALL_2 (_ bv9 32)) ((_ extract 15 8) |v_hid_open_report_#t~ret53_23|)))) (= .cse2 (store |c_#memory_int| v_hid_open_report_~parser~0.base_BEFORE_CALL_6 (store .cse3 (bvadd v_hid_open_report_~parser~0.offset_BEFORE_CALL_2 (_ bv8 32)) ((_ extract 7 0) |v_hid_open_report_#t~ret53_23|)))) (= .cse2 (store |c_#memory_int| v_hid_open_report_~parser~0.base_BEFORE_CALL_6 (store .cse3 (bvadd v_hid_open_report_~parser~0.offset_BEFORE_CALL_2 (_ bv11 32)) ((_ extract 31 24) |v_hid_open_report_#t~ret53_23|)))) (bvsgt |v_hid_open_report_#t~ret53_23| (_ bv0 32)))))) (not (= .cse1 (store |c_#memory_int| v_hid_open_report_~parser~0.base_BEFORE_CALL_6 (store .cse0 (bvadd v_hid_open_report_~parser~0.offset_BEFORE_CALL_2 (_ bv11 32)) ((_ extract 31 24) |c_ldv_positive_#res|))))) (not (= (store |c_#memory_int| v_hid_open_report_~parser~0.base_BEFORE_CALL_6 (store .cse0 (bvadd v_hid_open_report_~parser~0.offset_BEFORE_CALL_2 (_ bv9 32)) ((_ extract 15 8) |c_ldv_positive_#res|))) .cse1)))))) is different from true [2019-11-22 14:00:23,940 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_hid_open_report_~parser~0.base_BEFORE_CALL_6 (_ BitVec 32)) (ldv_positive_~r~1 (_ BitVec 32)) (v_hid_open_report_~parser~0.offset_BEFORE_CALL_2 (_ BitVec 32))) (let ((.cse2 (select |c_#memory_int| v_hid_open_report_~parser~0.base_BEFORE_CALL_6))) (let ((.cse3 (store |c_#memory_int| v_hid_open_report_~parser~0.base_BEFORE_CALL_6 (store .cse2 (bvadd v_hid_open_report_~parser~0.offset_BEFORE_CALL_2 (_ bv10 32)) ((_ extract 23 16) ldv_positive_~r~1))))) (or (not (bvsgt ldv_positive_~r~1 (_ bv0 32))) (exists ((|v_hid_open_report_#t~ret53_23| (_ BitVec 32))) (let ((.cse1 (select |c_#memory_int| v_hid_open_report_~parser~0.base_BEFORE_CALL_6))) (let ((.cse0 (store |c_#memory_int| v_hid_open_report_~parser~0.base_BEFORE_CALL_6 (store .cse1 (bvadd v_hid_open_report_~parser~0.offset_BEFORE_CALL_2 (_ bv10 32)) ((_ extract 23 16) |v_hid_open_report_#t~ret53_23|))))) (and (= .cse0 (store |c_#memory_int| v_hid_open_report_~parser~0.base_BEFORE_CALL_6 (store .cse1 (bvadd v_hid_open_report_~parser~0.offset_BEFORE_CALL_2 (_ bv9 32)) ((_ extract 15 8) |v_hid_open_report_#t~ret53_23|)))) (= .cse0 (store |c_#memory_int| v_hid_open_report_~parser~0.base_BEFORE_CALL_6 (store .cse1 (bvadd v_hid_open_report_~parser~0.offset_BEFORE_CALL_2 (_ bv8 32)) ((_ extract 7 0) |v_hid_open_report_#t~ret53_23|)))) (= .cse0 (store |c_#memory_int| v_hid_open_report_~parser~0.base_BEFORE_CALL_6 (store .cse1 (bvadd v_hid_open_report_~parser~0.offset_BEFORE_CALL_2 (_ bv11 32)) ((_ extract 31 24) |v_hid_open_report_#t~ret53_23|)))) (bvsgt |v_hid_open_report_#t~ret53_23| (_ bv0 32)))))) (not (= (store |c_#memory_int| v_hid_open_report_~parser~0.base_BEFORE_CALL_6 (store .cse2 (bvadd v_hid_open_report_~parser~0.offset_BEFORE_CALL_2 (_ bv9 32)) ((_ extract 15 8) ldv_positive_~r~1))) .cse3)) (not (= (store |c_#memory_int| v_hid_open_report_~parser~0.base_BEFORE_CALL_6 (store .cse2 (bvadd v_hid_open_report_~parser~0.offset_BEFORE_CALL_2 (_ bv8 32)) ((_ extract 7 0) ldv_positive_~r~1))) .cse3)) (not (= (store |c_#memory_int| v_hid_open_report_~parser~0.base_BEFORE_CALL_6 (store .cse2 (bvadd v_hid_open_report_~parser~0.offset_BEFORE_CALL_2 (_ bv11 32)) ((_ extract 31 24) ldv_positive_~r~1))) .cse3)))))) is different from false [2019-11-22 14:00:23,951 INFO L496 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-22 14:00:24,007 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-22 14:00:24,008 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2019-11-22 14:00:24,008 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:99, output treesize:101 [2019-11-22 14:00:26,022 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_DerPreprocessor_1 (_ BitVec 8)) (|v_hid_open_report_#t~ret53_23| (_ BitVec 32))) (let ((.cse1 (store (select |c_#memory_int| c_hid_open_report_~parser~0.base) c_hid_open_report_~parser~0.offset v_DerPreprocessor_1))) (let ((.cse0 (store |c_#memory_int| c_hid_open_report_~parser~0.base (store .cse1 (bvadd c_hid_open_report_~parser~0.offset (_ bv10 32)) ((_ extract 23 16) |v_hid_open_report_#t~ret53_23|))))) (or (not (bvsgt |v_hid_open_report_#t~ret53_23| (_ bv0 32))) (not (= .cse0 (store |c_#memory_int| c_hid_open_report_~parser~0.base (store .cse1 (bvadd c_hid_open_report_~parser~0.offset (_ bv9 32)) ((_ extract 15 8) |v_hid_open_report_#t~ret53_23|))))) (not (= .cse0 (store |c_#memory_int| c_hid_open_report_~parser~0.base (store .cse1 (bvadd c_hid_open_report_~parser~0.offset (_ bv8 32)) ((_ extract 7 0) |v_hid_open_report_#t~ret53_23|))))) (not (= (store |c_#memory_int| c_hid_open_report_~parser~0.base (store .cse1 (bvadd c_hid_open_report_~parser~0.offset (_ bv11 32)) ((_ extract 31 24) |v_hid_open_report_#t~ret53_23|))) .cse0)))))) is different from false [2019-11-22 14:00:28,032 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_DerPreprocessor_1 (_ BitVec 8)) (|v_hid_open_report_#t~ret53_23| (_ BitVec 32))) (let ((.cse1 (store (select |c_#memory_int| |c_hid_open_report_#t~ret52.base|) |c_hid_open_report_#t~ret52.offset| v_DerPreprocessor_1))) (let ((.cse0 (store |c_#memory_int| |c_hid_open_report_#t~ret52.base| (store .cse1 (bvadd |c_hid_open_report_#t~ret52.offset| (_ bv10 32)) ((_ extract 23 16) |v_hid_open_report_#t~ret53_23|))))) (or (not (bvsgt |v_hid_open_report_#t~ret53_23| (_ bv0 32))) (not (= .cse0 (store |c_#memory_int| |c_hid_open_report_#t~ret52.base| (store .cse1 (bvadd |c_hid_open_report_#t~ret52.offset| (_ bv9 32)) ((_ extract 15 8) |v_hid_open_report_#t~ret53_23|))))) (not (= .cse0 (store |c_#memory_int| |c_hid_open_report_#t~ret52.base| (store .cse1 (bvadd |c_hid_open_report_#t~ret52.offset| (_ bv8 32)) ((_ extract 7 0) |v_hid_open_report_#t~ret53_23|))))) (not (= (store |c_#memory_int| |c_hid_open_report_#t~ret52.base| (store .cse1 (bvadd |c_hid_open_report_#t~ret52.offset| (_ bv11 32)) ((_ extract 31 24) |v_hid_open_report_#t~ret53_23|))) .cse0)))))) is different from false [2019-11-22 14:00:30,138 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_DerPreprocessor_1 (_ BitVec 8)) (|v_hid_open_report_#t~ret53_23| (_ BitVec 32))) (let ((.cse1 (store (select |c_#memory_int| |c_ldv_zalloc_#res.base|) |c_ldv_zalloc_#res.offset| v_DerPreprocessor_1))) (let ((.cse0 (store |c_#memory_int| |c_ldv_zalloc_#res.base| (store .cse1 (bvadd |c_ldv_zalloc_#res.offset| (_ bv10 32)) ((_ extract 23 16) |v_hid_open_report_#t~ret53_23|))))) (or (not (bvsgt |v_hid_open_report_#t~ret53_23| (_ bv0 32))) (not (= .cse0 (store |c_#memory_int| |c_ldv_zalloc_#res.base| (store .cse1 (bvadd |c_ldv_zalloc_#res.offset| (_ bv8 32)) ((_ extract 7 0) |v_hid_open_report_#t~ret53_23|))))) (not (= .cse0 (store |c_#memory_int| |c_ldv_zalloc_#res.base| (store .cse1 (bvadd |c_ldv_zalloc_#res.offset| (_ bv11 32)) ((_ extract 31 24) |v_hid_open_report_#t~ret53_23|))))) (not (= .cse0 (store |c_#memory_int| |c_ldv_zalloc_#res.base| (store .cse1 (bvadd |c_ldv_zalloc_#res.offset| (_ bv9 32)) ((_ extract 15 8) |v_hid_open_report_#t~ret53_23|))))))))) is different from false [2019-11-22 14:00:32,161 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_DerPreprocessor_1 (_ BitVec 8)) (|v_hid_open_report_#t~ret53_23| (_ BitVec 32))) (let ((.cse1 (store (select |c_#memory_int| |c_ldv_zalloc_#t~malloc13.base|) |c_ldv_zalloc_#t~malloc13.offset| v_DerPreprocessor_1))) (let ((.cse0 (store |c_#memory_int| |c_ldv_zalloc_#t~malloc13.base| (store .cse1 (bvadd |c_ldv_zalloc_#t~malloc13.offset| (_ bv10 32)) ((_ extract 23 16) |v_hid_open_report_#t~ret53_23|))))) (or (not (= .cse0 (store |c_#memory_int| |c_ldv_zalloc_#t~malloc13.base| (store .cse1 (bvadd |c_ldv_zalloc_#t~malloc13.offset| (_ bv9 32)) ((_ extract 15 8) |v_hid_open_report_#t~ret53_23|))))) (not (bvsgt |v_hid_open_report_#t~ret53_23| (_ bv0 32))) (not (= .cse0 (store |c_#memory_int| |c_ldv_zalloc_#t~malloc13.base| (store .cse1 (bvadd |c_ldv_zalloc_#t~malloc13.offset| (_ bv11 32)) ((_ extract 31 24) |v_hid_open_report_#t~ret53_23|))))) (not (= (store |c_#memory_int| |c_ldv_zalloc_#t~malloc13.base| (store .cse1 (bvadd |c_ldv_zalloc_#t~malloc13.offset| (_ bv8 32)) ((_ extract 7 0) |v_hid_open_report_#t~ret53_23|))) .cse0)))))) is different from false [2019-11-22 14:00:32,225 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-22 14:00:32,225 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 91 treesize of output 77 [2019-11-22 14:00:32,230 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 65 treesize of output 57 [2019-11-22 14:00:32,231 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-22 14:00:32,258 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-22 14:00:32,258 INFO L496 ElimStorePlain]: Start of recursive call 2: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-22 14:00:32,262 INFO L567 ElimStorePlain]: treesize reduction 76, result has 1.3 percent of original size [2019-11-22 14:00:32,262 INFO L496 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-22 14:00:32,263 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:95, output treesize:1 [2019-11-22 14:00:34,273 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_ldv_zalloc_#t~malloc13.offset_BEFORE_CALL_4| (_ BitVec 32)) (v_DerPreprocessor_1 (_ BitVec 8)) (|v_hid_open_report_#t~ret53_23| (_ BitVec 32))) (let ((.cse0 (store (select |c_#memory_int| |c_#Ultimate.meminit_#ptr.base|) |v_ldv_zalloc_#t~malloc13.offset_BEFORE_CALL_4| v_DerPreprocessor_1))) (let ((.cse1 (store |c_#memory_int| |c_#Ultimate.meminit_#ptr.base| (store .cse0 (bvadd |v_ldv_zalloc_#t~malloc13.offset_BEFORE_CALL_4| (_ bv10 32)) ((_ extract 23 16) |v_hid_open_report_#t~ret53_23|))))) (or (not (= (store |c_#memory_int| |c_#Ultimate.meminit_#ptr.base| (store .cse0 (bvadd |v_ldv_zalloc_#t~malloc13.offset_BEFORE_CALL_4| (_ bv9 32)) ((_ extract 15 8) |v_hid_open_report_#t~ret53_23|))) .cse1)) (not (bvsgt |v_hid_open_report_#t~ret53_23| (_ bv0 32))) (not (= .cse1 (store |c_#memory_int| |c_#Ultimate.meminit_#ptr.base| (store .cse0 (bvadd |v_ldv_zalloc_#t~malloc13.offset_BEFORE_CALL_4| (_ bv8 32)) ((_ extract 7 0) |v_hid_open_report_#t~ret53_23|))))) (not (= .cse1 (store |c_#memory_int| |c_#Ultimate.meminit_#ptr.base| (store .cse0 (bvadd |v_ldv_zalloc_#t~malloc13.offset_BEFORE_CALL_4| (_ bv11 32)) ((_ extract 31 24) |v_hid_open_report_#t~ret53_23|))))))))) is different from false [2019-11-22 14:00:34,320 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-22 14:00:34,321 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 91 treesize of output 77 [2019-11-22 14:00:34,326 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 65 treesize of output 57 [2019-11-22 14:00:34,326 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-22 14:00:34,354 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-22 14:00:34,354 INFO L496 ElimStorePlain]: Start of recursive call 2: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-22 14:00:34,358 INFO L567 ElimStorePlain]: treesize reduction 76, result has 1.3 percent of original size [2019-11-22 14:00:34,359 INFO L496 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-22 14:00:34,359 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:95, output treesize:1 [2019-11-22 14:00:34,376 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-22 14:00:34,376 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [707508322] [2019-11-22 14:00:34,376 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-22 14:00:34,376 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12, 10] imperfect sequences [] total 20 [2019-11-22 14:00:34,376 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1667802152] [2019-11-22 14:00:34,377 INFO L442 AbstractCegarLoop]: Interpolant automaton has 20 states [2019-11-22 14:00:34,377 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-22 14:00:34,377 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2019-11-22 14:00:34,377 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=114, Unknown=9, NotChecked=216, Total=380 [2019-11-22 14:00:34,377 INFO L87 Difference]: Start difference. First operand 276 states and 297 transitions. Second operand 20 states. [2019-11-22 14:00:42,686 WARN L192 SmtUtils]: Spent 8.04 s on a formula simplification. DAG size of input: 48 DAG size of output: 15 [2019-11-22 14:00:44,832 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((|v_hid_open_report_#t~ret53_23| (_ BitVec 32))) (let ((.cse1 (select |c_#memory_int| c_hid_open_report_~parser~0.base))) (let ((.cse0 (store |c_#memory_int| c_hid_open_report_~parser~0.base (store .cse1 (bvadd c_hid_open_report_~parser~0.offset (_ bv10 32)) ((_ extract 23 16) |v_hid_open_report_#t~ret53_23|))))) (or (not (= .cse0 (store |c_#memory_int| c_hid_open_report_~parser~0.base (store .cse1 (bvadd c_hid_open_report_~parser~0.offset (_ bv8 32)) ((_ extract 7 0) |v_hid_open_report_#t~ret53_23|))))) (not (bvsgt |v_hid_open_report_#t~ret53_23| (_ bv0 32))) (not (= (store |c_#memory_int| c_hid_open_report_~parser~0.base (store .cse1 (bvadd c_hid_open_report_~parser~0.offset (_ bv9 32)) ((_ extract 15 8) |v_hid_open_report_#t~ret53_23|))) .cse0)) (not (= (store |c_#memory_int| c_hid_open_report_~parser~0.base (store .cse1 (bvadd c_hid_open_report_~parser~0.offset (_ bv11 32)) ((_ extract 31 24) |v_hid_open_report_#t~ret53_23|))) .cse0)))))) (= (_ bv0 32) c_hid_open_report_~parser~0.offset) (let ((.cse2 (select |c_#memory_int| c_hid_open_report_~parser~0.base))) (= (store ((as const (Array (_ BitVec 32) (_ BitVec 8))) (_ bv0 8)) c_hid_open_report_~parser~0.offset (select .cse2 c_hid_open_report_~parser~0.offset)) .cse2))) is different from false [2019-11-22 14:00:46,854 WARN L838 $PredicateComparison]: unable to prove that (and (exists ((v_hid_open_report_~parser~0.base_BEFORE_CALL_5 (_ BitVec 32))) (let ((.cse0 (select |c_#memory_int| v_hid_open_report_~parser~0.base_BEFORE_CALL_5))) (= .cse0 (store ((as const (Array (_ BitVec 32) (_ BitVec 8))) (_ bv0 8)) (_ bv0 32) (select .cse0 (_ bv0 32)))))) (forall ((v_hid_open_report_~parser~0.base_BEFORE_CALL_6 (_ BitVec 32)) (v_hid_open_report_~parser~0.offset_BEFORE_CALL_2 (_ BitVec 32))) (let ((.cse1 (select |c_#memory_int| v_hid_open_report_~parser~0.base_BEFORE_CALL_6))) (let ((.cse2 (store |c_#memory_int| v_hid_open_report_~parser~0.base_BEFORE_CALL_6 (store .cse1 (bvadd v_hid_open_report_~parser~0.offset_BEFORE_CALL_2 (_ bv10 32)) ((_ extract 23 16) |c_ldv_positive_#res|))))) (or (not (= (store |c_#memory_int| v_hid_open_report_~parser~0.base_BEFORE_CALL_6 (store .cse1 (bvadd v_hid_open_report_~parser~0.offset_BEFORE_CALL_2 (_ bv8 32)) ((_ extract 7 0) |c_ldv_positive_#res|))) .cse2)) (exists ((|v_hid_open_report_#t~ret53_23| (_ BitVec 32))) (let ((.cse4 (select |c_#memory_int| v_hid_open_report_~parser~0.base_BEFORE_CALL_6))) (let ((.cse3 (store |c_#memory_int| v_hid_open_report_~parser~0.base_BEFORE_CALL_6 (store .cse4 (bvadd v_hid_open_report_~parser~0.offset_BEFORE_CALL_2 (_ bv10 32)) ((_ extract 23 16) |v_hid_open_report_#t~ret53_23|))))) (and (= .cse3 (store |c_#memory_int| v_hid_open_report_~parser~0.base_BEFORE_CALL_6 (store .cse4 (bvadd v_hid_open_report_~parser~0.offset_BEFORE_CALL_2 (_ bv9 32)) ((_ extract 15 8) |v_hid_open_report_#t~ret53_23|)))) (= .cse3 (store |c_#memory_int| v_hid_open_report_~parser~0.base_BEFORE_CALL_6 (store .cse4 (bvadd v_hid_open_report_~parser~0.offset_BEFORE_CALL_2 (_ bv8 32)) ((_ extract 7 0) |v_hid_open_report_#t~ret53_23|)))) (= .cse3 (store |c_#memory_int| v_hid_open_report_~parser~0.base_BEFORE_CALL_6 (store .cse4 (bvadd v_hid_open_report_~parser~0.offset_BEFORE_CALL_2 (_ bv11 32)) ((_ extract 31 24) |v_hid_open_report_#t~ret53_23|)))) (bvsgt |v_hid_open_report_#t~ret53_23| (_ bv0 32)))))) (not (= .cse2 (store |c_#memory_int| v_hid_open_report_~parser~0.base_BEFORE_CALL_6 (store .cse1 (bvadd v_hid_open_report_~parser~0.offset_BEFORE_CALL_2 (_ bv11 32)) ((_ extract 31 24) |c_ldv_positive_#res|))))) (not (= (store |c_#memory_int| v_hid_open_report_~parser~0.base_BEFORE_CALL_6 (store .cse1 (bvadd v_hid_open_report_~parser~0.offset_BEFORE_CALL_2 (_ bv9 32)) ((_ extract 15 8) |c_ldv_positive_#res|))) .cse2)))))) (bvsgt |c_ldv_positive_#res| (_ bv0 32))) is different from false [2019-11-22 14:00:47,670 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-22 14:00:47,671 INFO L93 Difference]: Finished difference Result 279 states and 299 transitions. [2019-11-22 14:00:47,673 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2019-11-22 14:00:47,673 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 58 [2019-11-22 14:00:47,674 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-22 14:00:47,675 INFO L225 Difference]: With dead ends: 279 [2019-11-22 14:00:47,675 INFO L226 Difference]: Without dead ends: 276 [2019-11-22 14:00:47,676 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 96 SyntacticMatches, 5 SemanticMatches, 21 ConstructedPredicates, 10 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 34.6s TimeCoverageRelationStatistics Valid=50, Invalid=135, Unknown=11, NotChecked=310, Total=506 [2019-11-22 14:00:47,677 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 276 states. [2019-11-22 14:00:47,683 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 276 to 276. [2019-11-22 14:00:47,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 276 states. [2019-11-22 14:00:47,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 276 states and 296 transitions. [2019-11-22 14:00:47,685 INFO L78 Accepts]: Start accepts. Automaton has 276 states and 296 transitions. Word has length 58 [2019-11-22 14:00:47,685 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-22 14:00:47,685 INFO L462 AbstractCegarLoop]: Abstraction has 276 states and 296 transitions. [2019-11-22 14:00:47,685 INFO L463 AbstractCegarLoop]: Interpolant automaton has 20 states. [2019-11-22 14:00:47,686 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states and 296 transitions. [2019-11-22 14:00:47,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2019-11-22 14:00:47,687 INFO L402 BasicCegarLoop]: Found error trace [2019-11-22 14:00:47,687 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-22 14:00:47,887 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-22 14:00:47,888 INFO L410 AbstractCegarLoop]: === Iteration 18 === [fetch_itemErr4REQUIRES_VIOLATION, fetch_itemErr2REQUIRES_VIOLATION, fetch_itemErr3REQUIRES_VIOLATION, fetch_itemErr6REQUIRES_VIOLATION, fetch_itemErr0REQUIRES_VIOLATION, fetch_itemErr7REQUIRES_VIOLATION, fetch_itemErr5REQUIRES_VIOLATION, fetch_itemErr1REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, free_reportsErr0REQUIRES_VIOLATION, free_reportsErr5ASSERT_VIOLATIONMEMORY_FREE, free_reportsErr1REQUIRES_VIOLATION, free_reportsErr7REQUIRES_VIOLATION, free_reportsErr2REQUIRES_VIOLATION, free_reportsErr4ASSERT_VIOLATIONMEMORY_FREE, free_reportsErr8REQUIRES_VIOLATION, free_reportsErr3REQUIRES_VIOLATION, free_reportsErr6ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, hid_register_reportErr1REQUIRES_VIOLATION, hid_register_reportErr6REQUIRES_VIOLATION, hid_register_reportErr7REQUIRES_VIOLATION, hid_register_reportErr5REQUIRES_VIOLATION, hid_register_reportErr0REQUIRES_VIOLATION, hid_register_reportErr4REQUIRES_VIOLATION, hid_register_reportErr2REQUIRES_VIOLATION, hid_register_reportErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, hid_parser_mainErr0REQUIRES_VIOLATION, hid_parser_mainErr1REQUIRES_VIOLATION, hid_parser_mainErr2REQUIRES_VIOLATION, hid_parser_mainErr3REQUIRES_VIOLATION, disconnect_deviceErr0REQUIRES_VIOLATION, disconnect_deviceErr5ASSERT_VIOLATIONMEMORY_FREE, disconnect_deviceErr6ASSERT_VIOLATIONMEMORY_FREE, disconnect_deviceErr4ASSERT_VIOLATIONMEMORY_FREE, disconnect_deviceErr1REQUIRES_VIOLATION, disconnect_deviceErr3REQUIRES_VIOLATION, disconnect_deviceErr2REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, hid_open_reportErr7ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr5REQUIRES_VIOLATION, hid_open_reportErr8ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr9ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr0REQUIRES_VIOLATION, hid_open_reportErr11REQUIRES_VIOLATION, hid_open_reportErr6ASSERT_VIOLATIONARRAY_INDEX, hid_open_reportErr10REQUIRES_VIOLATION, hid_open_reportErr1REQUIRES_VIOLATION, hid_open_reportErr13ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr3REQUIRES_VIOLATION, hid_open_reportErr2REQUIRES_VIOLATION, hid_open_reportErr4REQUIRES_VIOLATION, hid_open_reportErr12ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr14ASSERT_VIOLATIONMEMORY_FREE, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, probe_23Err3ASSERT_VIOLATIONMEMORY_FREE, probe_23Err2ASSERT_VIOLATIONMEMORY_FREE, probe_23Err0REQUIRES_VIOLATION, probe_23Err4ASSERT_VIOLATIONMEMORY_FREE, probe_23Err1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION]=== [2019-11-22 14:00:47,888 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-22 14:00:47,889 INFO L82 PathProgramCache]: Analyzing trace with hash 1695286769, now seen corresponding path program 1 times [2019-11-22 14:00:47,889 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-22 14:00:47,890 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [121839207] [2019-11-22 14:00:47,890 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 19 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-22 14:00:48,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-22 14:00:48,447 INFO L255 TraceCheckSpWp]: Trace formula consists of 313 conjuncts, 15 conjunts are in the unsatisfiable core [2019-11-22 14:00:48,449 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-22 14:00:48,458 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 6 [2019-11-22 14:00:48,458 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-22 14:00:48,461 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-22 14:00:48,461 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-22 14:00:48,461 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:7, output treesize:6 [2019-11-22 14:00:48,522 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 17 [2019-11-22 14:00:48,522 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-22 14:00:48,531 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-22 14:00:48,532 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-22 14:00:48,532 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:25, output treesize:17 [2019-11-22 14:00:50,558 WARN L860 $PredicateComparison]: unable to prove that (exists ((v_hid_open_report_~parser~0.base_BEFORE_CALL_7 (_ BitVec 32))) (let ((.cse0 (select |c_#memory_int| v_hid_open_report_~parser~0.base_BEFORE_CALL_7))) (= .cse0 (store ((as const (Array (_ BitVec 32) (_ BitVec 8))) (_ bv0 8)) (_ bv0 32) (select .cse0 (_ bv0 32)))))) is different from true [2019-11-22 14:00:52,586 WARN L192 SmtUtils]: Spent 2.01 s on a formula simplification that was a NOOP. DAG size: 15 [2019-11-22 14:00:52,642 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-22 14:00:52,642 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-22 14:00:52,889 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-22 14:00:54,899 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((v_hid_open_report_~parser~0.base_BEFORE_CALL_8 (_ BitVec 32)) (v_hid_open_report_~parser~0.offset_BEFORE_CALL_4 (_ BitVec 32))) (let ((.cse0 (select |c_#memory_int| v_hid_open_report_~parser~0.base_BEFORE_CALL_8)) (.cse3 (bvadd v_hid_open_report_~parser~0.offset_BEFORE_CALL_4 (_ bv8 32)))) (let ((.cse1 (store |c_#memory_int| v_hid_open_report_~parser~0.base_BEFORE_CALL_8 (store .cse0 .cse3 ((_ extract 7 0) |c_ldv_positive_#res|)))) (.cse2 (bvadd v_hid_open_report_~parser~0.offset_BEFORE_CALL_4 (_ bv9 32)))) (or (not (= (store |c_#memory_int| v_hid_open_report_~parser~0.base_BEFORE_CALL_8 (store .cse0 (bvadd v_hid_open_report_~parser~0.offset_BEFORE_CALL_4 (_ bv11 32)) ((_ extract 31 24) |c_ldv_positive_#res|))) .cse1)) (not (= (store |c_#memory_int| v_hid_open_report_~parser~0.base_BEFORE_CALL_8 (store .cse0 .cse2 ((_ extract 15 8) |c_ldv_positive_#res|))) .cse1)) (= (store |c_#memory_int| v_hid_open_report_~parser~0.base_BEFORE_CALL_8 (store .cse0 .cse2 (_ bv0 8))) (store |c_#memory_int| v_hid_open_report_~parser~0.base_BEFORE_CALL_8 (store .cse0 .cse3 (_ bv1 8)))))))) (forall ((v_hid_open_report_~parser~0.base_BEFORE_CALL_8 (_ BitVec 32)) (v_hid_open_report_~parser~0.offset_BEFORE_CALL_4 (_ BitVec 32))) (let ((.cse4 (select |c_#memory_int| v_hid_open_report_~parser~0.base_BEFORE_CALL_8)) (.cse7 (bvadd v_hid_open_report_~parser~0.offset_BEFORE_CALL_4 (_ bv8 32)))) (let ((.cse6 (store |c_#memory_int| v_hid_open_report_~parser~0.base_BEFORE_CALL_8 (store .cse4 .cse7 ((_ extract 7 0) |c_ldv_positive_#res|)))) (.cse5 (bvadd v_hid_open_report_~parser~0.offset_BEFORE_CALL_4 (_ bv11 32)))) (or (not (= (store |c_#memory_int| v_hid_open_report_~parser~0.base_BEFORE_CALL_8 (store .cse4 .cse5 ((_ extract 31 24) |c_ldv_positive_#res|))) .cse6)) (not (= (store |c_#memory_int| v_hid_open_report_~parser~0.base_BEFORE_CALL_8 (store .cse4 (bvadd v_hid_open_report_~parser~0.offset_BEFORE_CALL_4 (_ bv9 32)) ((_ extract 15 8) |c_ldv_positive_#res|))) .cse6)) (= (store |c_#memory_int| v_hid_open_report_~parser~0.base_BEFORE_CALL_8 (store .cse4 .cse5 (_ bv0 8))) (store |c_#memory_int| v_hid_open_report_~parser~0.base_BEFORE_CALL_8 (store .cse4 .cse7 (_ bv1 8))))))))) is different from false [2019-11-22 14:01:14,758 WARN L192 SmtUtils]: Spent 6.04 s on a formula simplification that was a NOOP. DAG size: 57 [2019-11-22 14:01:14,763 INFO L496 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-22 14:01:14,799 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-22 14:01:14,800 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-22 14:01:14,800 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:65, output treesize:61 [2019-11-22 14:01:16,814 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_DerPreprocessor_2 (_ BitVec 8))) (let ((.cse0 (store (select |c_#memory_int| c_hid_open_report_~parser~0.base) c_hid_open_report_~parser~0.offset v_DerPreprocessor_2))) (let ((.cse1 (store |c_#memory_int| c_hid_open_report_~parser~0.base (store .cse0 (bvadd c_hid_open_report_~parser~0.offset (_ bv8 32)) (_ bv1 8))))) (or (not (= (store |c_#memory_int| c_hid_open_report_~parser~0.base (store .cse0 (bvadd c_hid_open_report_~parser~0.offset (_ bv11 32)) (_ bv0 8))) .cse1)) (not (= (store |c_#memory_int| c_hid_open_report_~parser~0.base (store .cse0 (bvadd c_hid_open_report_~parser~0.offset (_ bv9 32)) (_ bv0 8))) .cse1)))))) is different from false [2019-11-22 14:01:18,828 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_DerPreprocessor_2 (_ BitVec 8))) (let ((.cse0 (store (select |c_#memory_int| |c_hid_open_report_#t~ret52.base|) |c_hid_open_report_#t~ret52.offset| v_DerPreprocessor_2))) (let ((.cse1 (store |c_#memory_int| |c_hid_open_report_#t~ret52.base| (store .cse0 (bvadd |c_hid_open_report_#t~ret52.offset| (_ bv8 32)) (_ bv1 8))))) (or (not (= (store |c_#memory_int| |c_hid_open_report_#t~ret52.base| (store .cse0 (bvadd |c_hid_open_report_#t~ret52.offset| (_ bv11 32)) (_ bv0 8))) .cse1)) (not (= (store |c_#memory_int| |c_hid_open_report_#t~ret52.base| (store .cse0 (bvadd |c_hid_open_report_#t~ret52.offset| (_ bv9 32)) (_ bv0 8))) .cse1)))))) is different from false [2019-11-22 14:01:20,942 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_DerPreprocessor_2 (_ BitVec 8))) (let ((.cse0 (store (select |c_#memory_int| |c_ldv_zalloc_#res.base|) |c_ldv_zalloc_#res.offset| v_DerPreprocessor_2))) (let ((.cse1 (store |c_#memory_int| |c_ldv_zalloc_#res.base| (store .cse0 (bvadd |c_ldv_zalloc_#res.offset| (_ bv8 32)) (_ bv1 8))))) (or (not (= (store |c_#memory_int| |c_ldv_zalloc_#res.base| (store .cse0 (bvadd |c_ldv_zalloc_#res.offset| (_ bv9 32)) (_ bv0 8))) .cse1)) (not (= (store |c_#memory_int| |c_ldv_zalloc_#res.base| (store .cse0 (bvadd |c_ldv_zalloc_#res.offset| (_ bv11 32)) (_ bv0 8))) .cse1)))))) is different from false [2019-11-22 14:01:22,952 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_DerPreprocessor_2 (_ BitVec 8))) (let ((.cse1 (store (select |c_#memory_int| |c_ldv_zalloc_#t~malloc13.base|) |c_ldv_zalloc_#t~malloc13.offset| v_DerPreprocessor_2))) (let ((.cse0 (store |c_#memory_int| |c_ldv_zalloc_#t~malloc13.base| (store .cse1 (bvadd |c_ldv_zalloc_#t~malloc13.offset| (_ bv8 32)) (_ bv1 8))))) (or (not (= .cse0 (store |c_#memory_int| |c_ldv_zalloc_#t~malloc13.base| (store .cse1 (bvadd |c_ldv_zalloc_#t~malloc13.offset| (_ bv9 32)) (_ bv0 8))))) (not (= .cse0 (store |c_#memory_int| |c_ldv_zalloc_#t~malloc13.base| (store .cse1 (bvadd |c_ldv_zalloc_#t~malloc13.offset| (_ bv11 32)) (_ bv0 8))))))))) is different from false [2019-11-22 14:01:23,004 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-22 14:01:23,004 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 3 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 54 [2019-11-22 14:01:23,008 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 40 [2019-11-22 14:01:23,009 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-22 14:01:23,012 INFO L567 ElimStorePlain]: treesize reduction 44, result has 2.2 percent of original size [2019-11-22 14:01:23,013 INFO L496 ElimStorePlain]: Start of recursive call 2: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-22 14:01:23,014 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-22 14:01:23,014 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-22 14:01:23,014 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:57, output treesize:1 [2019-11-22 14:01:25,020 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_ldv_zalloc_#t~malloc13.offset_BEFORE_CALL_6| (_ BitVec 32)) (v_DerPreprocessor_2 (_ BitVec 8))) (let ((.cse1 (store (select |c_#memory_int| |c_#Ultimate.meminit_#ptr.base|) |v_ldv_zalloc_#t~malloc13.offset_BEFORE_CALL_6| v_DerPreprocessor_2))) (let ((.cse0 (store |c_#memory_int| |c_#Ultimate.meminit_#ptr.base| (store .cse1 (bvadd |v_ldv_zalloc_#t~malloc13.offset_BEFORE_CALL_6| (_ bv8 32)) (_ bv1 8))))) (or (not (= .cse0 (store |c_#memory_int| |c_#Ultimate.meminit_#ptr.base| (store .cse1 (bvadd |v_ldv_zalloc_#t~malloc13.offset_BEFORE_CALL_6| (_ bv11 32)) (_ bv0 8))))) (not (= .cse0 (store |c_#memory_int| |c_#Ultimate.meminit_#ptr.base| (store .cse1 (bvadd |v_ldv_zalloc_#t~malloc13.offset_BEFORE_CALL_6| (_ bv9 32)) (_ bv0 8))))))))) is different from false [2019-11-22 14:01:25,050 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-22 14:01:25,051 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 3 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 54 [2019-11-22 14:01:25,057 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 40 [2019-11-22 14:01:25,057 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-22 14:01:25,061 INFO L567 ElimStorePlain]: treesize reduction 44, result has 2.2 percent of original size [2019-11-22 14:01:25,061 INFO L496 ElimStorePlain]: Start of recursive call 2: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-22 14:01:25,062 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-22 14:01:25,062 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-22 14:01:25,062 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:57, output treesize:1 [2019-11-22 14:01:25,084 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-22 14:01:25,085 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [121839207] [2019-11-22 14:01:25,085 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-22 14:01:25,085 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12, 11] imperfect sequences [] total 21 [2019-11-22 14:01:25,085 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [761272673] [2019-11-22 14:01:25,086 INFO L442 AbstractCegarLoop]: Interpolant automaton has 21 states [2019-11-22 14:01:25,086 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-22 14:01:25,086 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2019-11-22 14:01:25,086 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=153, Unknown=10, NotChecked=210, Total=420 [2019-11-22 14:01:25,086 INFO L87 Difference]: Start difference. First operand 276 states and 296 transitions. Second operand 21 states. [2019-11-22 14:01:31,809 WARN L192 SmtUtils]: Spent 4.06 s on a formula simplification. DAG size of input: 50 DAG size of output: 15 [2019-11-22 14:01:31,830 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-22 14:01:31,830 INFO L93 Difference]: Finished difference Result 42 states and 41 transitions. [2019-11-22 14:01:31,831 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2019-11-22 14:01:31,831 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 58 [2019-11-22 14:01:31,831 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-22 14:01:31,832 INFO L225 Difference]: With dead ends: 42 [2019-11-22 14:01:31,832 INFO L226 Difference]: Without dead ends: 0 [2019-11-22 14:01:31,832 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 96 SyntacticMatches, 4 SemanticMatches, 21 ConstructedPredicates, 7 IntricatePredicates, 1 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 42.5s TimeCoverageRelationStatistics Valid=57, Invalid=200, Unknown=11, NotChecked=238, Total=506 [2019-11-22 14:01:31,833 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-22 14:01:31,833 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-22 14:01:31,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-22 14:01:31,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-22 14:01:31,833 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 58 [2019-11-22 14:01:31,833 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-22 14:01:31,834 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-22 14:01:31,834 INFO L463 AbstractCegarLoop]: Interpolant automaton has 21 states. [2019-11-22 14:01:31,834 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-22 14:01:31,834 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-22 14:01:32,034 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-22 14:01:32,042 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.11 02:01:32 BoogieIcfgContainer [2019-11-22 14:01:32,043 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-22 14:01:32,043 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-22 14:01:32,043 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-22 14:01:32,052 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-22 14:01:32,052 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:48:56" (3/4) ... [2019-11-22 14:01:32,056 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-22 14:01:32,064 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_submit_msg [2019-11-22 14:01:32,065 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.setCurrentRoundingMode [2019-11-22 14:01:32,065 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_positive [2019-11-22 14:01:32,065 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __uint64_identity [2019-11-22 14:01:32,065 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_msg_free [2019-11-22 14:01:32,065 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure free_reports [2019-11-22 14:01:32,066 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2019-11-22 14:01:32,066 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ##fun~$Pointer$~TO~VOID [2019-11-22 14:01:32,066 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_nonpositive [2019-11-22 14:01:32,066 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure hid_parser_main [2019-11-22 14:01:32,066 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure disconnect_device [2019-11-22 14:01:32,066 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.meminit [2019-11-22 14:01:32,066 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_msg_alloc [2019-11-22 14:01:32,066 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kobject_init_internal [2019-11-22 14:01:32,066 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kref_init [2019-11-22 14:01:32,067 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_msg_fill [2019-11-22 14:01:32,067 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kref_sub [2019-11-22 14:01:32,067 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_atomic_add_return [2019-11-22 14:01:32,067 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __bswap_32 [2019-11-22 14:01:32,067 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kobject_cleanup [2019-11-22 14:01:32,067 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memcpy [2019-11-22 14:01:32,067 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure LDV_INIT_LIST_HEAD [2019-11-22 14:01:32,067 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __ldv_list_add [2019-11-22 14:01:32,067 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_malloc [2019-11-22 14:01:32,067 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_dev_set_drvdata [2019-11-22 14:01:32,067 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure probe_23 [2019-11-22 14:01:32,067 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure fetch_item [2019-11-22 14:01:32,068 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kobject_create [2019-11-22 14:01:32,068 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kobject_del [2019-11-22 14:01:32,068 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __ldv_list_del [2019-11-22 14:01:32,068 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __bswap_64 [2019-11-22 14:01:32,068 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_list_del [2019-11-22 14:01:32,068 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure hid_register_report [2019-11-22 14:01:32,068 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kref_get [2019-11-22 14:01:32,068 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kobject_put [2019-11-22 14:01:32,068 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __uint32_identity [2019-11-22 14:01:32,068 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure disconnect_23 [2019-11-22 14:01:32,068 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kobject_init [2019-11-22 14:01:32,069 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_atomic_sub_return [2019-11-22 14:01:32,069 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_list_add_tail [2019-11-22 14:01:32,069 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __uint16_identity [2019-11-22 14:01:32,069 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure entry_point [2019-11-22 14:01:32,069 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ##fun~$Pointer$~X~$Pointer$~TO~C_INT [2019-11-22 14:01:32,069 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_list_add [2019-11-22 14:01:32,069 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_destroy_msgs [2019-11-22 14:01:32,069 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset [2019-11-22 14:01:32,069 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure f [2019-11-22 14:01:32,069 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kobject_release [2019-11-22 14:01:32,069 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure g [2019-11-22 14:01:32,069 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2019-11-22 14:01:32,070 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure hid_open_report [2019-11-22 14:01:32,070 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_zalloc [2019-11-22 14:01:32,070 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kref_put [2019-11-22 14:01:32,070 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kobject_get [2019-11-22 14:01:32,070 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_dev_get_drvdata [2019-11-22 14:01:32,091 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 77 nodes and edges [2019-11-22 14:01:32,092 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2019-11-22 14:01:32,093 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2019-11-22 14:01:32,094 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-22 14:01:32,099 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-22 14:01:32,193 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-11-22 14:01:32,194 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-22 14:01:32,195 INFO L168 Benchmark]: Toolchain (without parser) took 759035.06 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 248.0 MB). Free memory was 945.6 MB in the beginning and 1.1 GB in the end (delta: -142.7 MB). Peak memory consumption was 105.3 MB. Max. memory is 11.5 GB. [2019-11-22 14:01:32,195 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-22 14:01:32,196 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1131.08 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 154.1 MB). Free memory was 945.6 MB in the beginning and 1.1 GB in the end (delta: -150.4 MB). Peak memory consumption was 20.9 MB. Max. memory is 11.5 GB. [2019-11-22 14:01:32,197 INFO L168 Benchmark]: Boogie Preprocessor took 139.29 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2019-11-22 14:01:32,197 INFO L168 Benchmark]: RCFGBuilder took 2155.19 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 945.1 MB in the end (delta: 144.3 MB). Peak memory consumption was 144.3 MB. Max. memory is 11.5 GB. [2019-11-22 14:01:32,198 INFO L168 Benchmark]: TraceAbstraction took 755452.79 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 93.8 MB). Free memory was 945.1 MB in the beginning and 1.1 GB in the end (delta: -159.2 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-11-22 14:01:32,198 INFO L168 Benchmark]: Witness Printer took 150.48 ms. Allocated memory is still 1.3 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 16.0 MB). Peak memory consumption was 16.0 MB. Max. memory is 11.5 GB. [2019-11-22 14:01:32,201 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 1131.08 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 154.1 MB). Free memory was 945.6 MB in the beginning and 1.1 GB in the end (delta: -150.4 MB). Peak memory consumption was 20.9 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 139.29 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * RCFGBuilder took 2155.19 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 945.1 MB in the end (delta: 144.3 MB). Peak memory consumption was 144.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 755452.79 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 93.8 MB). Free memory was 945.1 MB in the beginning and 1.1 GB in the end (delta: -159.2 MB). There was no memory consumed. Max. memory is 11.5 GB. * Witness Printer took 150.48 ms. Allocated memory is still 1.3 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 16.0 MB). Peak memory consumption was 16.0 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 784]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 783]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 783]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 785]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 782]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 785]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 784]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 782]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 745]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 745]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 555]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 555]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 556]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 556]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 595]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 595]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 594]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 594]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 594]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 595]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 594]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 594]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 809]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 811]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 809]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 809]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 809]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 811]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 809]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 809]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 811]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 869]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 568]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 568]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 568]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 568]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 789]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 798]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 798]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 794]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 789]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 794]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 793]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 793]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 667]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 667]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 669]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 669]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 564]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 564]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 803]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 803]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 803]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 803]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 841]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 842]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 842]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 842]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 841]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 842]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 842]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 579]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 579]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 683]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 683]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 560]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 560]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 608]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 608]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 608]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 608]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 608]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 608]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 588]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 589]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 588]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 589]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 588]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 588]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 659]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 659]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 661]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 661]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 701]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 703]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 703]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 703]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 700]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 701]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 700]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 701]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 542]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 542]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 541]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 541]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 550]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 548]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 548]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 551]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 551]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 549]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 549]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 550]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 833]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 828]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 833]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 833]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 821]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 836]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 828]: array index is always in bounds For all program executions holds that array index is always in bounds at this location - PositiveResult [Line: 836]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 821]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 837]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 822]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 822]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 828]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 837]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 837]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 624]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 624]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 856]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 856]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 850]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 856]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 850]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 620]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 620]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - AllSpecificationsHoldResult: All specifications hold 127 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 56 procedures, 494 locations, 127 error locations. Result: SAFE, OverallTime: 755.3s, OverallIterations: 18, TraceHistogramMax: 1, AutomataDifference: 662.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 3791 SDtfs, 4221 SDslu, 16980 SDs, 0 SdLazy, 9325 SolverSat, 885 SolverUnsat, 588 SolverUnknown, 0 SolverNotchecked, 593.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1395 GetRequests, 1147 SyntacticMatches, 39 SemanticMatches, 209 ConstructedPredicates, 17 IntricatePredicates, 1 DeprecatedPredicates, 463 ImplicationChecksByTransitivity, 141.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=344occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 18 MinimizatonAttempts, 333 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.4s SsaConstructionTime, 2.0s SatisfiabilityAnalysisTime, 82.2s InterpolantComputationTime, 669 NumberOfCodeBlocks, 669 NumberOfCodeBlocksAsserted, 18 NumberOfCheckSat, 1302 ConstructedInterpolants, 195 QuantifiedInterpolants, 320533 SizeOfPredicates, 88 NumberOfNonLiveVariables, 3539 ConjunctsInSsa, 167 ConjunctsInUnsatCore, 36 InterpolantComputations, 36 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! [MP z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process Received shutdown request...